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Name_________________ 1. (6.7C) Which of the following is NOT equivalent to the expression 3(x + 2)? 4. (6.10B) Which of the following equations have 7 as a solution? I. II. III. A. B. 56 ÷ 𝑣 = 15 − 𝑣 6𝑣 = 70 − 4𝑣 6𝑣 + 7 = 98 − 7𝑣 3 5. (6.2E) Write the division problem 6. (6.7A) Simplify the expression below. (x + 2) + (x + 2) + (x + 2) 4 two more ways. C. D. 2. (𝟒 + 𝟒)𝟐 ÷ 𝟒 − 𝟗 × 𝟑 x+x+x+2+2+2 (6.9A) The employees at a local business make 4,704 photocopies during a normal month. (Hint: There are about 21 work days per month.) Let n be the number of copies made each day. Which bar diagram and equation model the problem? 7. A. (6.7A) Which of the following is equivalent to 19? A. {52 ∙ 2(19 − 23)} − 9 B. 2 + 32 − 2(12 − 16) C. 52 ∙ 2(19 − 23) D. Not here B. 𝑛 4,704 21 𝑛 − 4,704 = 21 8. C. (6.7D) Use order of operations to determine which of the following is equivalent to the expression. (−𝟑)(𝒙 + 𝟑𝟐 ) A. −3𝑥 − 92 B. −3𝑥 + 27 D. C. −3𝑥 − 27 D. −3𝑥 − 18 3. (6.9A) Ashly needs a total of $2.75 in quarters for a coin-operated washing machine. Which equation can be used to find q, the number of quarters Ashton needs in order to have enough money for the washing machine? A. 2.75 = q + 0.25 B. 2.75 = 0.25q C. 0.25= 2.75q D. 0.25 = q + 2.75 9. (6.7D) Which of the following statements are true? I. II. III. 6.10B 7(3 + 2) = 7(3) + 2 3 + (8 + 11) = (3 + 8) + 11 4(5 ∙ 6) = 4(6 ∙ 5) 6.7A 10. (6.7B) What is the difference between an expression and an equation? 6.7A