EVALUATION EXPRESSION. PLEASE FEEL FREE TO CONTACT ME IF ANSWERS ARE NEEDED!!!!

1. Evaluating Expressions
1. For x=2 and y=5,
1. For x=2 and y=5, find the value of 4 x 2 y .
find the value of 4 x 2 y .
2. For x = 9 and y = 3 find the
2. For x = 9 and y = 3 find the 5x + y
value of x − y .
5x + y
value of x − y .
3. Evaluate each absolute value
3. Evaluate each absolute value expression:
expression:
A. − 9 =_____ B. 9 = ______
A. − 9 =_____ B. 9 = ______
C. − | −9 |= ____ D. − | 9 |= ____
C. − | −9 |= ____ D. − | 9 |= ____
E. | −8 |= _____
E. | −8 |= _____
4. Is it true that | −8 |=| 8 | ? ____
4. Is it true that | −8 |=| 8 | ? ____
5. Is it true that | 8 |= − | 8 | ? ____
5. Is it true that | 8 |= − | 8 | ? ____
6. Which is the same as 5 • 5 • 5 ?
6. Which is the same as 5 • 5 • 5 ?
A. 15 B. 153
A. 15 B. 153 C. 53 D. 3 • 53
C. 53 D. 3 • 53
7. Which is the same as
7. Which is the same as 2•2•2• x• x• y ?
2•2•2• x• x• y ?
A. 6 x 2 y B. 8 x 2 y
A. 6 x 2 y B. 8 x 2 y C. (2 xy) 2 D. 8 xy
C. (2 xy) 2 D. 8 xy
Evaluating Expressions