Review Simplifying and Evaluating Algebraic Expressions

Simplify:
17m - 4 - 15m + 8

• 2m + 4

• 2m + (-12)

• 2m + 12

• 2m + (-4)

Simplify:
-5 - 15n - 10n + 19

• -25n + 14

• -25n + 4

• -5n + 14

• -5n + 24

Evaluate:
x - y - x² + (y² + x)
when x = -3 and y = -2

• -9

• 9

• -3

• -13

Evaluate the expression when a = -15:

|a - 5| + 2

• 22

• 27

• -18

• 7

Evaluate the expression when p = 9 and q = 2:

|10p - 7q|

• 31

• 76

• -76

• 152

Which of the following expressions contains a variable?

• 7+3

• 144÷12

• 7 + 15n

• 6(5)

2x + 5(y - 1) when x=8 and y=5

• 20

• 31

• 36

• -4

Evaluate expression: -5a -b for a= -6 and b= 3

• 33

• 30

• 27

• 24

(y + z)² when y=5 and z=2

• 7

• 49

• 29

• 14

Evaluate n + 5² for n=3

• 13

• 8

• 25

• 28