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What is the definition of absolute value in math terms?

What is the definition of absolute value in math terms?

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.

What is the absolute value of |- 11?

These “| |”(modulus) indicate the absolute value of a number. And the absolute value of a number enclosed in the modulus is the non-negative value of the number without regard to its sign. Therefore, the absolute value of |-11| is 11.

What is the absolute value of positive 4?

For example, the absolute value of 4 is written as |4|. Also, the absolute value of -4 is written as |-4|.

How do you write an absolute value equation with no solution?

For example, |x|=−1 has no solution. The absolute value of a number is its distance away from zero. That number will always be positive, as you cannot be negative two feet away from something. So any absolute value equation set equal to a negative number is no solution, regardless of what that number is.

How do you solve equations involving absolute value?

The General Steps to solve an absolute value equation are: Rewrite the absolute value equation as two separate equations, one positive and the other negative. Solve each equation separately.

How do you calculate absolute value?

To calculate the absolute value of a number, just enter the number and to apply the function abs. Thus, for calculating the absolute value of the number -5, you must enter abs(-5) or directly -5, if the button abs already appears, the result 5 is returned.

What are the rules of absolute value?

Rules of Absolute Value. For many students, absolute value is nothing but a positive version of any number. For instance, the absolute value of 3 is 3 and -3 is also 3. While this example is correct, it is better to understand the real definition of absolute value. Absolute value of a number is the distance from zero on the number line.

How do you find the equation of an absolute value graph?

More generally, the form of the equation for an absolute value function is y=a| x−h |+k . Also: The vertex of the graph is ( h,k ) . The domain of the graph is set of all real numbers and the range is y≥k when a>0 . The domain of the graph is set of all real numbers and the range is y≤k when a<0 .