Expressions Part 2

Evaluate the expression if m = -7 and

n = 4

5m + 9n

• 71

• 1

• -1

• -71

Evaluate the expressions if w = -4

-7w² + 2w

• 104

• -64

• -120

• 120

Evaluate the expression if x = -8 and y=3

12x ÷ 4y

• -8

• 72

• -72

• 8

Write an expression to represent: Eighteen less than a number

• x - 18

• 18 - x

• x ÷ 18

• x + 18

Write an expression to represent:

triple a number

• x + 3

• x - 3

• 3x

• 3 ÷ x

Write an expression to represent: Sixteen more than the quotient of a number and 2

• 16 (2x)

• (2 ÷ x) + 16

• 16 + 2x

• (x ÷ 2) + 16

Evaluate the expression if

a = 3, b = 4, and c = -6

bc + 5a

• 9

• 38

• -38

• -9

Evaluate the expression if a = 2 and b = 8

6 + 7b - 3a

• -100

• 100

• -56

• 56

Write an expression to represent:

46 less than a number

• 46 - n

• n - 46

• 46 + n

• n + 46

Write an expression to represent:

5 times a number, minus 8

• 5m - 8

• 5(m + 8)

• 8m + 5

• 8(m + 5)