Name ____________________________

Unit 3 Pre-Assessment

Use the Distributive Property to simplify the following expressions.

1. a. 11(2x + 6)

b. $\frac{2x}{7} \left ( 3y^2 - \frac{11}{xy} \right )$

Evaluate the expression according to the order of operations.

2. $2 \times 6 + 8 \div 2 = \underline{\;\;\;\;\;\;\;}$

3. $9^2 + 2^2 - 5 \times (2 + 3)$ = _____

Evaluate each expression.

4. a. 5^2

b. 9^0

c. 6^2-5^2

Simplify the following variable expressions.

5. a. (a^3)(a^8)

b. (x^4)^2

Write an expression to describe the situation.

6. Bananas cost $0.29 each

Simplify by combining like terms.

7. 22x+19x

Simplify each product or quotient.

8. a. 6a(9a)

b. $\frac{15b}{5b}$

Simplify the variable expression involving multiple operations.

9. $7n+8n \cdot 3$

Evaluate the following variable expressions.

10. 2x^2-(x+7) if x=4