Equations, Expressions, and Exponents Review

Which expression matches the algebraic phrase?

6 plus the product of 7 and r

• 6 + 7 + r

• 6 + 7/r

• 6 + 7r

• 7r - 6

Which expression matches the algebraic phrase?

the quotient of b and 12

• 12 + b

• 12b

• b - 12

• b/12

Evaluate the expression if a=4 and b=7.

7a + 2b

• 42

• 7a + 2b

• 14ab

• None of the above

Write an equation for the word problem.

Greg has 17 more marbles than Jack. Jack has 15. How many does Greg have?

• 15 + 17

• 17 - 15

• 15(17)

• 17/15

Solve.

7³

• 21

• 343

• 10

• 4

Write the exponent in factor form.

12⁶

• 12 ∙ 12 ∙ 12 ∙ 12 ∙ 12 ∙ 12

• 12 + 12 + 12 + 12 + 12 + 12

• 12 - 6

• None of the above

Evaluate the algebraic equation.

2w + 19 = 53

• 26.5

• 34

• 74

• 17

Identify the coefficient.

8d + 129

• 129

• 8

• d

• +

The inverse operation of division is____________.

• Addition

• Subtraction

• Multiplication

• Division

Cubed has an exponent of_________.

• 3

• 2

• 6

• None of the above