IXL | Evaluate absolute value expressions

Evaluate the expression for v = ^–2.

|v| + 5 =

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question

Evaluate the expression for u = 5.

|u − 7| =

key idea

Absolute values are positive or zero. To find the absolute value of a negative number, switch the sign.

To simplify expressions with absolute value symbols, first simplify the quantity inside the absolute value symbols and take the absolute value. Then perform any other operations.

solution

Plug in u = 5 and simplify.

|u − 7|

|5 − 7|

|^–2|

2

Looking for more? Try these:

Lesson: Evaluating expressions

Lesson: Absolute value

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Teacher tools

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Not feeling ready yet? These can help:

R.5Evaluate multi-variable expressions

A.5Absolute value and opposite integers

Lesson: Evaluating expressions

Lesson: Absolute value

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