The complex number is, We know that, The absolute value of a complex number x + iy, is defined as the distance between the origin (0, 0) and the point (x, y) in the complex plane. Its value is calculated by, Now, by using the above formula the absolute value of the complex number is, ⇒ =. To learn more about absolute value visit:8 years ago. Well, the simple answer is that the absolute value of a number simply is the positive form of the number. |98| = 98. |-17362| = 17362. |-pi| = pi. That's the easiest way. Just get rid of the negative sign and boom, you've done the absolute value. But that's not really the point.Oct 18, 2016 · The absolute value of #4 + 7i# is #sqrt65#. Explanation: The absolute value of a complex number in the form #a + bi# is found using this process: #sqrt(a^2 + b^2)#. The following video uses the order of operations to simplify an expression in fraction form that contains absolute value terms. Note how the absolute values are treated like parentheses and brackets when using the order of operations. Simplify an Expression in Fraction Form with Absolute Values.Answer: 4.5. Step-by-step explanation: absolute value: the distance away from zero, it will always be positive because distance can't be negative. thus, the absolute value of 4.5 = the distance of 4.5 to zero, which is 4.5. |4.5| = 4.5. arrow right. The absolute value of a number is its distance from zero on a number line . For instance, 4 and − 4 have the same absolute value ( 4 ). So, the absolute value of a positive number is just the number itself, and the absolute value of a negative number is its opposite. The absolute value of 0 is 0 . Easy! The absolute value of a number is its non-negative value without regard to its sign. [Math]::Abs(-5) Absolute value function. Trigonometric functions. Trigonometric functions apply to calculations related to angles. I suppose you remember them well from school. Sine [Math]::Sin(90) Cosine [Math]::Cos(90)Quiz: Absolute Value. Previous Absolute Value. Next Solving Equations Containing Absolute Value. Access quality crowd-sourced study materials tagged to courses at universities all over the world and get homework help from our tutors when you need it.Remove the absolute value term. This creates a on the right side of the equation because . Step 4. The complete solution is the result of both the positive and negative portions of the solution. Tap for more steps... Step 4.1. First, use the positive value of the to find the first solution.Definitions: The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign. For example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number line. Furthermore, the absolute value ...Answer by MathDazed (34) ( Show Source ): You can put this solution on YOUR website! The absolute value of any number whether positive or negative....is it's positive value. For example the absolute value of (-3) or written |-3| is 3 and the absolute value of |6| is 6. To your question the absolute value of -4/9 is 4/9.Absolute value refers to a point's distance from zero or origin on the number line, regardless of the direction. The absolute value of a number is always positive. The absolute value of a number is denoted by two vertical lines enclosing the number or expression. For example, the absolute value of the number 5 is written as, |5| = 5.The absolute value of a number or integer is the actual distance of the integer from zero, in a number line. Therefore, the absolute value is always a positive value and not a …23P. Step-by-step solution. Step 1 of 5. Write down the 4-bit binary number be . For a positive number , . If given is negative, . The last bit is 1, then two's complement is to be taken of the input . Two's complement number is to be represented as follows: If the number is negative, the last bit is 1.However, the argument of the previous absolute-value expression was x + 2.In this case, only the x is inside the absolute-value bars. This argument will be zero when x = 0, so I should expect to see an elbow in that area.Also, since the "plus two" is outside of the absolute-value bars, I expect my graph to look like the regular absolute-value graph (being a V with the elbow at the origin), but ...Remove the absolute value brackets and solve the equation for 2 different cases. STEP 3: Check to see whether each solution is valid by putting each one back into the original equation and verifying that the two sides of the equation are equal. - In CASE 1, the solution, w = 22, is valid because 12 + | 22 - 4 | = 12 + 18 = 30.De nition If ais a real number, the absolute value of ais jaj= ˆ a if a 0 a if a<0 Example Evaluate j2j, j 10j, j5 9j, j9 5j. Algebraic properties of the Absolute Value 1. jaj 0 for all real numbers a. 2. jaj= j ajfor all real numbers a. 3. jabj= jajjbj, the absolute value of the product of two numbers is the product of the absolute values. 4 ...If the number is not negative then the absolute value of the number is itself. Thus the absolute value of 6 is 6, the absolute value of 1/3 is 1/3 and the absolute value of 0 is 0. If the number is negative then to find the absolute value you just drop the negative sign. Thus the absolute value of -2 is 2 and the absolute value of -1/7 is 1/7 ...Explanation: Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative. So | −4| = 4 and so is |4| = 4. Answer link. |4| is allready an absolute value, equal to 4 Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative.Two Numbers Absolute Value Calculator. Welcome to the Two Numbers Absolute Value Calculator. This calculator calculates the two numbers that have the absolute value of any number. Please enter your number below to find the two numbers that have it as their absolute value. Here are some examples of what our calculator can explain and answer.The magnitude of this value. typealias Magnitude. A type that can represent the absolute value of any possible value of this type. func signum() -> Int. Returns -1 if this value is negative and 1 if it's positive; otherwise, 0. Apple. Developer. Documentation. Returns the absolute value of the given number.Purplemath. When we take the absolute value of a number, we always end up with a positive number (or zero). Whether the input was positive or negative (or zero), the output is always positive (or zero). For instance, | 3 | = 3, and | −3 | = 3 also. This property — that both the positive and the negative become positive — makes solving absolute-value equations a little tricky.Recall that in its basic form f (x) = |x|, f ( x) = | x |, the absolute value function is one of our toolkit functions. The absolute value function is commonly thought of as providing the distance the number is from zero on a number line. Algebraically, for whatever the input value is, the output is the value without regard to sign.Jun 11, 2020 · Absolute Value: An absolute value is a business valuation method that uses discounted cash flow (DCF) analysis to determine a company's financial worth. Testing solutions to absolute value inequalities. In this math lesson, we learn how to determine if given values of x satisfy various absolute value inequalities. We examine three different inequalities and test each x value to see if it meets the inequality's conditions.the absolute value is never negative; the absolute value of 0 is 0 because the distance between a number and itself is zero. The absolute value of a number a is written as ∣ a ∣ . For example, the absolute value of - 7 is written as | - 7|. Example 1: Find the absolute value of 2. Solution: Graph 2 on a number line. Answer: ∣ 2 ∣ ...In algebra, an absolute value (also called a valuation, magnitude, or norm, [1] although "norm" usually refers to a specific kind of absolute value on a field) is a function which measures the "size" of elements in a field or integral domain. More precisely, if D is an integral domain, then an absolute value is any mapping |x| from D to the ...For example, the numbers 2 and -2 have a distance of 2 from 0, so their absolute value is the same, even though their sign is not: |2| = 2. |-2| = 2. The absolute value of 0 is 0. The absolute value function, f (x) = |x|, can be described as a piecewise function: f (x) =. -x, x < 0.pandas.DataFrame.abs. #. Return a Series/DataFrame with absolute numeric value of each element. This function only applies to elements that are all numeric. Series/DataFrame containing the absolute value of each element. Calculate the absolute value element-wise. If you have a positive value in the absolute value sign, it just is itself. The absolute value of 2 is 2. Then we have the absolute value of 5 minus 15. Well, that's going to be the same thing as the absolute value. 5 minus 15 is negative 10, so it's the same thing as the absolute value of negative 10. Now, there's two ways you can think about it. 2.2: Absolute Value. Every real number can be represented by a point on the real number line. The distance from a number (point) on the real line to the origin (zero) is what we called the magnitude (weight) of that number in Chapter 1. Mathematically, this is called the absolute value of the number. So, for example, the distance from the point ...Free Complex Numbers Calculator - Simplify complex expressions using algebraic rules step-by-stepThe absolute value or modulus of a number is its non-negative value or distance from zero. In math, the absolute value or modulus of a number is its non-negative value or distance from zero.It is symbolized using vertical lines. Here is a look at the absolute value definition, examples, and ways to solve absolute value equations."Absolute Value", means "distance from zero on a number line". When you first use a number line, you would usually be in grade 1, and your number line would start at zero, and have whole numbers shown and labeled on the right-side. A little later, not sure if grade 6, but certainly after grade 6, you learn that the number line also has numbers ...4. Write in symbols: The absolute value of a number, n, is 15. This is a page from the dictionary MATH SPOKEN HERE! , published in 1995 by MATHEMATICAL CONCEPTS, inc., ISBN: 0-9623593-5-1.$\begingroup$ Since the original distribution is symmetric about $0$, the density for positive values of the absolute value is double the density of the original random variable for the same value, while the density for negative values of …Question 448581: what is the absolute value of 4+7i. Answer by jim_thompson5910 (35256) ( Show Source ): You can put this solution on YOUR website! Start with the absolute value of a complex number formula. This is also known as the magnitude of a complex number formula. Plug in and . Square to get.$\begingroup$ Since the original distribution is symmetric about $0$, the density for positive values of the absolute value is double the density of the original random variable for the same value, while the density for negative values of the absolute value is $0$.A low absolute neutrophil count is referred to as neutropenia . This occurs when the ANC is less than 2,500 cells/mcL. At levels below 1,000, you are at an increased risk of infection. A high absolute neutrophil count is called neutrophilia . This occurs when the ANC is over 6,000 cells/mcL.All of the above grouping symbols, as well as absolute value, have the same order of precedence. Perform operations inside the innermost grouping symbol or absolute value first. Example \(\PageIndex{1}\) Simplify: \(5-(4-12)\). Solution: Perform the operations within the parentheses first. In this case, first subtract \(12\) from \(4\).In an absolute value equation, an unknown variable is the input of an absolute value function. If the absolute value of an expression is set equal to a positive number, expect two solutions for the unknown variable. An absolute value equation may have one solution, two solutions, or no solutions.For example, the absolute value of the number 3 and -3 is the same (3) because they are equally far from zero: From the above visual, you can figure out that: The absolute value of a positive number is the number itself. The absolute value of a negative number is the number without its negative sign. The absolute value of zero is 0. Easy!The value 5 intervals to the left of the origin is -5. However, the distance of each of these two values from the origin is the same: 5. "5" is the absolute value of both +5 and -5. Mathematically, "absolute value" has a more formal definition. Say x is a real number. Then the absolute value of x is defined as follows:The function returns the absolute value (modulus) of the specified numeric value. double MathAbs ( double value // numeric value ); Parameters. value [in] Numeric value. Return Value. Value of double type more than or equal to zero. Note. Instead the MathAbs() function you can use fabs (). Math Functions MathArccos . Join us — download ...The absolute value of 4-7i to the square root of. verified. Verified answer. 4. The distance between a + 7i and -8 + 4i is Square root of 130 units The positive value of a is . star. 4.8/5. heart. 24. verified. Verified answer. Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is JenniferAbsolute. Menu Path : Operator > Math > Arithmetic > Absolute The Absolute Operator calculates the absolute value of the input. For example, an input value of (4 ,0, -4) outputs (4, 0, 4). This Operator accepts input values of various types. For the list of types this Operator can use, see Available Types.. Operator propertiesAlgebraically: |x| = x if x is non-negative; and. |x| = -x if x is negative. For example: |4| = 4; |0| = 0; and. |-4| = 4. In other words, the absolute value of a non-negative number is exactly this number, while for a negative number you have to throw away the minus sign. 💡 Did you know that absolute value is very popular in statistics?Absolute value. In this section you'll learn how to the find the absolute value of integers. In this pattern you can see that 4 - 5 is equal to a negative number. A negative number is a number that is less than zero (in this case -1). A negative number is always less than zero, 0. We can study this in a diagram by using two examples: 0 - 4 = -4 ...51 The absolute value of a number represents the distance from the graph of the number to zero on a number line. 52 A definition that changes depending on the value of the variable. This page titled 1.1: Review of Real Numbers and Absolute Value is shared under a CC BY-NC-SA 3.0 license and was authored, ...Enter Number = -654323456 Actual = -654323456 Absolute Number = 654323456. It is a simple code to find the absolute value of any number in c using an if statement that checks whether the number less than zero. If true, assign a positive number.This paper designs a 4-bit absolute value detector using CMOS logic and Pass-Transistor Logic (PTL). It can compare the input binary number with the set threshold, which can detect the peak signal to reduce the interference of noise and improve the detection accuracy of the signal. This paper innovatively uses the full adder to design the ...Absolute Value Equation Solver Shows Work, Steps for | AX +C | = D. Worksheet on Abs Val Equations. Abs Val Lesson. Absolute Value Equations Solver. Enter any values and this solver will calculate the solution(s) for your equation and show all work, including checking for extraneous solutions!To find the absolute value of 4 - 7i, we need to calculate the magnitude of this complex number. The magnitude can be found using the formula √(a² + b²), where 'a' is the real part and 'b' is the imaginary part. For the complex number 4 - 7i, 'a' = 4 and 'b' = -7. Substituting these values into the formula, we have:Now, let us find the absolute value of a complex number z = 6 + 8i is ${\sqrt{6^{2}+8^{2}}}$ = ${\sqrt{100}}$ = 10. In Unit Circle. Complex numbers can have an absolute value of 1. It is the same for -1, just as for the imaginary numbers i and -i. This is because all of them are one unit away from 0, either on the real number line or the ...The absolute maximum and minimum value of f (x)= 3x4 −8x3 +12x2 −48x+25,x ∈ [0,3] are respectively. View Solution. Click here:point_up_2:to get an answer to your question :writing_hand:the absolute value of 4xx4 if 0 x 4 is.Click here 👆 to get an answer to your question ️ The absolute value of 4+7i is equal to the square root of Gauthmath has upgraded to Gauth now! 🚀 Calculator Download Gauth PLUSIn mathematics, the absolute value or modulus |x| of a real number x is the non-negative value of x without regard to its sign. Namely, |x| = x for a positive x, |−x| = x for a negative x (in which case −x is positive), and |0| = 0. For example, the absolute value of 3 is 3, and the absolute value of −3 is also 3.The function returns the absolute value (modulus) of the specified numeric value. double MathAbs ( double value // numeric value ); Parameters. value [in] Numeric value. Return Value. Value of double type more than or equal to zero. Note. Instead the MathAbs() function you can use fabs (). Math Functions MathArccos . Join us — download ...The function returns the absolute value (modulus) of the specified numeric value. double MathAbs ( double value // numeric value ); Parameters. value [in] Numeric value. Return Value. Value of double type more than or equal to zero. Note. Instead the MathAbs() function you can use fabs (). Math Functions MathArccos . Join us — download ...Absolute Value = $1,394.70 million. Now, we will calculate the fair value of the stock, which is as follows: -. The Absolute Valuation of the Stock = Absolute Valuation of the Company / Number of Outstanding Shares. = $1,394.70 million/60,000,000. Calculation of Absolute Valuation of Stock. The Absolute Valuation of the Stock = $23.25. The absolute value of complex number is also a measure of its distance from zero. However, instead of measuring this distance on the number line, a complex number's absolute value is measured on the complex number plane. Example 4.4.5. Solve for y y: |y + 2| ≤ 5 | y + 2 | ≤ 5. Solution. If we are to use distance to find a solution, our inequality must be converted to the absolute value of a difference. We will use the following property of arithmetic to convert to a difference: A + B = A − (−B) A + B = A − ( − B) Therefore: Free absolute value equation calculator - solve absolute value equations with all the steps. Type in any equation to get the solution, steps and graph. Indefinite Integral of Absolute Value of x? Is there a closed form solution? Ask Question Asked 8 years, 6 months ago. Modified 2 years, 9 months ago. Viewed 50k times 12 $\begingroup$ Been searching the net for awhile and everything just comes back about doing the definite integral. ... rev 2024.4.18.7903 ...Absolute Value I am having an issue with finding the max value of positive and negative values. I want it to always pick the highest integer but to have it's sign remain the same. For instance, x=10, y=15, z=-20 are my numbers calculated that . t:=550*[max(x,y,z)] -p is depended on. if I do r:= max(x,y,z) it will state that r=15 when I need it ...The absolute value of a number is the actual distance of the integer from zero, in a number line. Therefore, the absolute value is always a positive value and not a negative number. We will use the following approaches to find the absolute value of …Recall that in its basic form f (x) = |x|, f ( x) = | x |, the absolute value function is one of our toolkit functions. The absolute value function is commonly thought of as providing the distance the number is from zero on a number line. Algebraically, for whatever the input value is, the output is the value without regard to sign.A low absolute neutrophil count is referred to as neutropenia . This occurs when the ANC is less than 2,500 cells/mcL. At levels below 1,000, you are at an increased risk of infection. A high absolute neutrophil count is called neutrophilia . This occurs when the ANC is over 6,000 cells/mcL.But the square root of a matrix is not unique wikipedia gives a list of examples to illustrate this. To understand this, how does one work out the absolute value of: A = (1 0 0 −1) A = ( 1 0 0 − 1) Clearly A† = A A † = A so |A| = A2−−−√ | A | = A 2, but this is not necessarily A A. I want to pick the identity in this case, since ...Absolute Value = $1,394.70 million. Now, we will calculate the fair value of the stock, which is as follows: -. The Absolute Valuation of the Stock = Absolute Valuation of the Company / Number of Outstanding Shares. = $1,394.70 million/60,000,000. Calculation of Absolute Valuation of Stock. The Absolute Valuation of the Stock = $23.25.The absolute value of a number is its distance from zero on the number line. We started with the inequality | x | ≤ 5. We saw that the numbers whose distance is less than or equal to five from zero on the number line were − 5 and 5 and all the numbers between − 5 and 5 (Figure 2.8.4 ). Figure 2.8.4.Remember, the absolute value of a number is always nonnegative (positive or zero). If a number is negative, negating that number will make it positive. | − 5| = − (−5) = 5, and similarly, | − 12| = − (−12) = 12. Thus, if x < 0 (if x is negative), then |x| = −x. If x = 0, then |x| = 0.Apr 2, 2024 · For example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number line. Furthermore, the absolute value of the difference of two real numbers is the distance between them. The absolute value has the following four fundamental properties: So in order to compute the absolute value for any number we do have a specified method in Java referred to as abs () present inside Math class present inside java.lang package. The java.lang.Math.abs () returns the absolute value of a given argument. If the argument is not negative, the argument is returned.Integrating an Absolute Value Z 4 0 jx3 5x2 + 6xjdx There is no anti-derivative for an absolute value; however, we know it's de nition. jxj= ˆ x if x 0 x elsewise Thus we can split up our integral depending on where x3 5x2 + 6x is non-negative. x3 5x2 + 6x 0: x(x2 5x+ 6) 0: x(x 2)(x 3) 0:The absolute value of a complex number can be found using the Pythagorean theorem. For 4-7i, the absolute value is √65. Explanation: The absolute value of a complex number can be found using the Pythagorean theorem. To find the absolute value of 4-7i, we can treat 4 and -7 as the lengths of the legs of a right triangle.But the square root of a matrix is not unique wikipedia gives a list of examples to illustrate this. To understand this, how does one work out the absolute value of: A = (1 0 0 −1) A = ( 1 0 0 − 1) Clearly A† = A A † = A so |A| = A2−−−√ | A | = A 2, but this is not necessarily A A. I want to pick the identity in this case, since ...The absolute value of a complex number is just the distance from the origin to that number in the complex plane! This tutorial shows you how to use a formula to find the absolute value of a complex number. Keywords: problem; absolute value; complex numbers; pythagorean theorem; complex plane;2.2: Absolute Value. Every real number can be represented by a point on the real number line. The distance from a number (point) on the real line to the origin (zero) is what we called the magnitude (weight) of that number in Chapter 1. Mathematically, this is called the absolute value of the number. So, for example, the distance from the point ...The absolute value of complex number is also a measure of its distance from zero. However, instead of measuring this distance on the number line, a complex number's absolute value is measured on the complex number plane.The absolute value of − 4 is also 4 : A number line from negative 5 to 5 with evenly spaced tick marks in increments of 1. Above the number line is a bracket labeled 4 that starts at negative 4 and ends at 0.A normal absolute eosinophil count ranges from 0 to 500 cells per microliter (<0.5 x 10 9 /L). This typically amounts to less than 5% of all white blood cells. Different laboratories may have different normal reference ranges. Your healthcare provider can explain your results and provide clarity if you have any questions.Verified answer. find the absolute value 3.4=. verified. Verified answer. Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is Jennifer. star. 4.8 /5. heart.Question: 26. Whlch of the following statements are true about the graph below? 1. The numbers Indlcated on the graph are on opposite sides of the zero. II . The numbers Indicated on the graph have absolute values of 4 and 4. II. The numbers Indicated on the graph both have an absolute value of 4. M.In mathematics, the absolute value or modulus |x| of a real number x is the non-negative value of x without regard to its sign. Namely, |x| = x for a positive x, |−x| = x for a negative x (in which case −x is positive), and |0| = 0. For example, the absolute value of 3 is 3, and the absolute value of −3 is also 3.
We're asked to solve for x. Let me just rewrite this equation so that the absolute values really pop out. So this is 8 times the absolute value of x plus 7 plus 4-- in that same color-- is equal to negative 6 times the absolute value of x plus 7 plus 6. Now the key here-- at first it looks kind of daunting. It's this complex equation.. Penymac
So, the absolute value of the complex number Z = a + ib is. |z| = √ (a 2 + b 2) So, the absolute value of the complex number is the positive square root of the sum of the square of real part and the square of the imaginary part, i.e., Proof: Let us consider the mode of the complex number z is extended from 0 to z and the mod of a, b real ...Absolute value is a term used in mathematics to indicate the distance of a point or number from the origin (zero point) of a number line or coordinate system. This can apply to scalar or vector quantities. The symbol for absolute value is a pair of vertical lines, one on either side of the quantity whose absolute value is to be determined.1 is the difference between the absolute value of 4 and the absolute value of negative 3.. Here, we have, given that, the difference between the absolute value of 4 and the absolute value of negative 3.. so, we get, Equation= |4| - |-3|=?. now, we know, absolute value of 4 is 4.. i.e. |4| =4Question 448581: what is the absolute value of 4+7i. Answer by jim_thompson5910 (35256) ( Show Source ): You can put this solution on YOUR website! Start with the absolute value of a complex number formula. This is also known as the magnitude of a complex number formula. Plug in and . Square to get.The absolute value of a complex number, a + ib (also called the modulus ) is defined as the distance between the origin (0, 0) and the point (a, b) in the complex plane. To find the absolute value of a complex number, we have to take square root of the sum of squares of real and part imaginary part respectively. |a + ib| = √ (a2 + b2)The absolute value is a math operation applied to real numbers that is defined as follows: For a real number. x x, if. x x is positive (or zero), the absolute value of. x x is just. On the other hand, if. x x is negative, the absolute value of. -x −x. What is absolute value symbol?Step 5. Write the solution using interval notation. Check: The check is left to you. Solve Graph the solution and write the solution in interval notation: Solve Graph the solution and write the solution in interval notation: Solve absolute value inequalities with < or ≤. Isolate the absolute value expression.2) The absolute values (besides being the distance from zero) act as grouping symbols. Once you get to the point that you can actually drop the absolute values, if there is a number in front, that number must be distributed. Example: 14 |x+7| = 2 becomes 14 (x+7) = 2 and 14 (x+7) = -2.More Examples. Here are some more examples of how to handle absolute values: |−3×6| = 18. Because −3 × 6 = −18, and |−18| = 18. −|5−2| = −3. Because 5−2 = 3 and then the …Now that we can graph an absolute value function, we will learn how to solve an absolute value equation. To solve an equation such as 8 = | 2 x − 6 |, 8 = | 2 x − 6 |, we notice that the absolute value will be equal to 8 if the quantity inside the absolute value is 8 or -8. This leads to two different equations we can solve independently.This will give you two answers. The first case: Everything was already positive: |x-3/2|> 5 becomes x-3/2>5. So you add 3/2 to both sides and one of the two answers is x>6 1/2. Second case: (x-3/2) was a negative number, whose absolute value was greater than 5. That means that (x-3/2) was a number that was less than negative 5:Question: f a Complex Number Calculate |4+7i| The absolute value of 4+7i is equal to the squa root of. f a Complex Number Calculate |4+7i| The absolute value of 4+7i is equal to the squa root of. There are 2 steps to solve this one. Who are the experts? Experts have been vetted by Chegg as specialists in this subject.The absolute value function is 1/4 or 0.25 after using the concept of the absolute value function. What is the number? A number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers. It is given that:The absolute value of a number is its distance from zero on the number line. We started with the inequality | x | ≤ 5. We saw that the numbers whose distance is less than or equal to five from zero on the number line were − 5 and 5 and all the numbers between − 5 and 5 (Figure 2.8.4 ). Figure 2.8.4. The absolute value of a number is its distance from zero on a number line . For instance, 4 and − 4 have the same absolute value ( 4 ). So, the absolute value of a positive number is just the number itself, and the absolute value of a negative number is its opposite. The absolute value of 0 is 0 . Easy! After determining that the absolute value is equal to 4 at x = 1 x = 1 and x = 9, x = 9, we know the graph can change only from being less than 4 to greater than 4 at these values. This divides the number line up into three intervals: x < 1, 1 ….