Algebra Unit Practice

Evaluate 8a - b if a = 10 and b = 6

• 74

• 38

• 804

• 86

Evaluate m² if m = 5

• 10

• 25

• 52

• 5

Evaluate 7y - 3y for y=2

• 40

• 0

• 8

• 4

Evaluate the expression: ¾ x when x = 12

• 6

• 16

• 9

• 10

Evaluate -2x if x = -5

• -7

• -10

• 10

• 7

Evaluate 6ab + 2c if a = 3, b = 10, and c = 7

• 28

• 194

• 1,806,337

• 2520

Evaluate x³ for x=4

• 43

• 12

• 64

• 16

• 243

What is the value of the expression

x² + y² + x - y

when x = -1 and y = 3

• 6

• 0

• -10

• 4

g²-3(h-g) Evaluate if g=3 and h=-2

• 6

• 3

• 24

• -6

Evaluate 3(2x - y)² for x = 3 and y = -1

• 75

• 225

• 147

• 441