Variable Expressions

5g, if g = 4

• 20

• 9 

• 5

• 1

65 - y, if y = 23 

• 88

• 3

• 42

• 32

Evaluate the expression for the given value of the variable:
3h+2 for h=10

• 20

• 32

• 24

• 38

Evaluate the expression for the given value of the variable:
2x³ for x=3

• 60

• 56

• 48

• 54

Write the phrase as an expression.
twice a number x plus 8

• 2 + 8x

• 2x + 8

• 2(x+8)

• 8(2+x)

triple the sum of x and 5

• 3 + x + 5

• 3 ∙ x + 5

• 3(x + 5)

• (3x) + 5

2 times the sum of y and 5 

• 2 + y + 5

• 2y + 5 

• 2(y + 5)

• 2 - y + 5

Write the expression.
Three more cookies than are in the jar. 

• C x 3

• C - 3

• C + 3

• C ÷ 3

Write the expression.
Twelve fewer questions than were on the first test. 

• 12 + q

• q - 12

• q x 12

• q ÷ 12

Write the expression. 
Five dollars less than Tim's pay. 

• p + 5

• p - 5

• 5p

• p ÷ 5