Algebra 2 Chapter 6 Test Form 2B Answers

133_144_CC_A_AMC1_C06_662327.indd Page 139 3/10/12 8:47 PM s-019 /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY.. /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY... NAME _____________________________________________ DATE __________________ PERIOD _________ Test, Form 2B SCORE _________ Write the letter for the correct answer in the blank at the right of each question. 1. What is 36 written as a product of the same factor? A. 3 × 3 × 3 × 3 × 3 × 3 C. 6 × 6 × 6 B. 3 × 6 D. 3 + 3 + 3 + 3 1. 2. What is 2 × 2 × 2 written using an exponent? F. 23 G. 8 H. 2 × 3 I. 32 2. F 3. B 4. G 5. C 6. H 7. A 8. G 9. A 10. H D. 3.1m 11. D I. j - 4 12. G A What is the value of each expression? 3. 20 - 23 ÷ 4 A. 3 B. 18 C. 22 D. 88 4. 28 + 6 × 4 - 2 F. 44 G. 50 H. 68 5. 34 ÷ (9 + 3) A. 1 B. 2.25 C. 6.75 6. 42 × 3 - (24 - 1) ÷ 5 F. 0 G. 22.2 H. 123 I. 134 D. 12 I. 124.6 7. A zoo charges $11.50 for adults and $8 for children. Which expression shows the total cost of buying 2 adult tickets and 4 children’s tickets? A. $11.50 × 2 + $8 × 4 C. $11.50 × $8 + 2 × 4 B. $11.50 × 4 + $8 × 2 D. $11.50 + $8 × 2 × 4 1 8. What is the value of a + b - c if a = 20, b = 10, and c = 5 − ? F. 25 1 G. 24 − 2 1 H. 35 − 2 2 I. 40 9. Ambu has saved $56 of her allowance money to buy books. If she buys 6 books at d dollars per book, she will have 56 - 6d of her allowance left. How much does she have left if the books cost $4.75 each? A. $27.50 B. $28.50 C. $50 D. $51.25 Which is the correct algebraic expression for each phrase? 10. 38 dollars less than Charlie earned F. c + 38 G. 38 - c H. c - 38 11. 3.1 times as many meters A. m + 3.1 B. 3.1 + m C. 3.1 ÷ m 12. one fourth the number of rocks Joyce found F. j × 4 G. j ÷ 4 H. 4 ÷ j I. 38 + c 139 Course 1 • Chapter 6 Expressions P rinter P DF 133_144_CC_A_AMC1_C06_662327.indd Page 140 3/14/12 4:08 PM s-019 /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY.. /Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY... NAME _____________________________________________ DATE __________________ PERIOD _________ Test, Form 2B SCORE _________ (continued) 13. Hamza made 6 calls in one day. Each call cost the same amount of money. The next day he made a call that cost $4. Which expression represents the total cost of the calls Hamza made during the two days? A. 6 + 4c B. 6c + 4 C. 4c + 6c D. 6 + 4 + c 13. 14. Which property is illustrated by the statement 4 + (9 + 12) = (4 + 9) + 12? F. Associative G. Identity H. Distributive I. Commutative 14. F 15. Which property is illustrated by the statement 9 × 1 = 9? A. Associative B. Identity C. Distributive D. Commutative 15. B 16. Which shows how to find 9 × 305 mentally by using the Distributive Property? F. 9(300) + (5) H. 5(300 + 9) G. 9(300) + 5(5) I. 9(300) + 9(5) 16. I 17. Five friends each spent $9 on bowling games and $3.50 on shoe rentals. Which expression cannot be used to find the total amount the friends spent? A. 5($9) + 5($3.50) C. 5($9 + $3.50) B. 5($12.50) D. 5($9) 17. D 18. 4(y + 8) 18. 4y + 32 19. 3(2 + h) 19. 6 + 3h 20. Find the value of 14 × 2 + 8 ÷ 4. 20. 30 21. Evaluate hj + h if h = 6 and j = 8. 21. 54 B Use the Distributive Property to rewrite each expression. Determine whether the two expressions are equivalent. If so, tell what property is applied. If not, explain why. 22. 7 + (2 + 3) and (7 + 2) + 3 yes; 22.Associative 23. 18 × 5 and 5 × 18 23. yes; Commutative 24. 4x + 8x + 6x 24. 18x 25. 9(5x) 25. 45x 26. 3(7x + 2y) 26. 21x + 6y 27. Six friends went to a hockey game. The price of admission per person was $x. Four of the friends bought a soda for $2. Write and simplify an expression that represents the total cost. 4(x + 2) + 2x; 27. $6x + $8 Simplify each expression. 140 Course 1 • Chapter 6 Expressions P rinter P DF