1. Unit 3 Assessment 1 Review Expressions and Equations

2. 1. Evaluate the following expression: 100 ̶ (4 + 6 ÷ 2)² 1.75 2.86 3.90 4.51

3. 2. Evaluate the expression 9n + 5 when n=10. 1.95 2.915 3.135 4.85

4. 3. Which expression represents 12 less than the product of 8 and r ? 1.12 ̶ 8r 2.8r ̶ 12 3.12 ̶ 8 ÷ r 4.8 ÷ r ̶ 12

5. 4. Chaya plans to buy two jeans for $30 each and 3 tops for $9 each. Which expression represents this situation? 1.(2 + 30) ∙ (3 + 9) 2.(2 ∙ 30) + (3 ∙ 9) 3.(30 ÷ 2) + (9 ÷ 3) 4.(30²) + (9ᶾ)

6. 5. Which property is illustrated by the following equation? (5x + 3y) + 7 = (3y + 5x) + 7 A. Associative Property of Addition B. Commutative Property of Addition C. Distributive Property D. Identity Property of Addition

7. 6. Which expression is equivalent to 5(2x + 3y + 4z)? A.10x + 3y + 4z B.10x + 15y + 20z C. 7x + 8y + 9z D. 7x + 3y + 4z

8. 7. Corrine and Elizabeth went out for dinner. The check for their dinner was $32.75. Corrine knows her dinner cost $18.95. How much did Elizabeth’s dinner cost? If you let c represent the cost of Corrine’s dinner, which equation represents the situation?

9. 8. What is the solution to the equation 74 ̶ y = 60? 1.134 2.34 3.26 4.14

10. 9. Alex has 24 dozen bagels to sell. He has sold 9 dozen. How many more dozen bagels does he have to sell? Which equation can be used to model the situation? A. 24 + 9 = b B. 24 + b = 9 C. b + 9 = 24 D. 9b = 24

11. 10. Which of the following could be the verbal expression for the algebraic expression n² + 2n ? 1.twice a number squared 2.the square of a number and twice the number 3.the product of a number squared and twice the number 4.the sum of a number squared and twice the number