Page 19 - Math Course 1 (Book 1)

Whole Numbers And Integers

Algebraic Expressions with Algebraic Expressions with
Absolute Value Absolute Value

ALGEBRA Evaluate: 5 - | x | if x = 9
A. 14
Evaluate: | x | – 8, if x = -2 Answer
B. 4
| x | – 8 | = |-2| - 8 Replace x with -2
C. -14
= 2 - 8 The absolute value
of –2 is 2. D. -4
= -6 Simplify

Answer -6

Your Turn!

Expressions with Absolute Value

Evaluate: |–8| + |–1|
A. -9
Answer
B. 9

C. 1
9
D. 1
9

Evaluate: |–9| + | 2 |
A. 7
Answer
B. -7

C. 11

D. -11

11