Answer Key Transparencies - Sault Schools

1 Answer Key Transparencies Provides Transparencies with answers for each lesson in the Student Edition ISBN 0-07-828001-X. 90000. 9 780078 280016. PQ245-6457F-PO1[001-019].qxd 7/24/02 12:18 PM Page 1 TF06 Manish 06:BOOKS:PRD:PQ245_64575F FINAL DELIVERY:PQ245-01: chapter 1 Solving Equations and Inequalities Lesson 1-1 Expressions and Formulas Pages 8 10. 14 4. 1. First, find the sum of c and 2. Sample Answer : 5. d. Divide this sum by e. Multiply the quotient by b. Finally, add a. 3. b; The sum of the cost of 4.

2 72. adult and children tickets should be subtracted from 50. Therefore, parentheses need to be inserted around this sum to insure that this addition is done before subtraction. 5. 6 6. 23. 7. 1 8. 2. 9. 119 10. 0. 11. 23 12. 18. 13. $432 14. $1875. 15. $ 16. 20. 17. 3 18. 29. 19. 25 20. 54. 21. 34 22. 19. 23. 5 24. 11. 25. 31 26. 7. 27. 14 28. 15. 29. 3 30. 52. 31. 162 32. 33. 34. 7. 1. 35. 25 36. about lb 3. 37. drops per min 38. 39. 2 40. 45. glencoe /McGraw-Hill 1 algebra 2 chapter 1. PQ245-6457F-PO1[001-019].

3 Qxd 7/24/02 12:18 PM Page 2 TF06 Manish 06:BOOKS:PRD:PQ245_64575F FINAL DELIVERY:PQ245-01: 41. 42. 43. 4 44. 75. 45. 46. 4. 47. 8 48. y 5 2. 50. a b 1. 49. 2. 6 2. 51. 16 52. 30. 53. $ 54. 400 ft 55. Sample Answer : 56. Nurses use formulas to 4 4 4 4 1 calculate a drug dosage 4 4 4 4 2 given a supply dosage and a 14 4 42 4 3 doctor's drug order. They 4 14 42 4 4. also use formulas to calculate IV flow rates. 14 4 42 4 5 answers should include the 14 42 4 4 6 following. 44 4 4 7 A table of IV flow rates is 14 42 14 42 8 limited to those situations listed, while a formula can 4 4 4 4 9.

4 144 42 4 10. be used to find any IV flow rate. If a formula used in a nursing setting is applied incorrectly, a patient could die. 57. C 58. D. 59. 3 60. 4. 61. 10 62. 13. 63. 2 64. 5. 2 6. 65. 66. 3 7. glencoe /McGraw-Hill 2 algebra 2 chapter 1. PQ245-6457F-PO1[001-019].qxd 7/24/02 12:19 PM Page 3 TF06 Manish 06:BOOKS:PRD:PQ245_64575F FINAL DELIVERY:PQ245-01: Lesson 1-2 Properties of Real Numbers Pages 14 18. 1a. Sample Answer : 2 2. A rational number is the ratio 1b. Sample Answer : 5 of two integers.

5 Since 13 is 1c. Sample Answer : 11 13. not an integer, is not a 1d. Sample Answer : 2. rational number. 1e. Sample Answer : 12. 1f. Sample Answer : 3. 0; Zero does not have a 4. Z, Q, R. 1. multiplicative inverse since 0. is undefined. 5. N, W, Z, Q, R 6. Q, R. 7. Multiplicative Identity 8. Associative Property ( ). 1. 9. Additive Identity 10. 8, . 8. 1 2. 11. , 3 12. , 3 3. 13. 2x 4y 14. 13p 15. 3c 18d 16. 17a 1. 17. (10 15 12 8 18. $ 19 22 31) or (10) . (15) (12) (8) . (19) (22) (31). 19. W, Z, Q, R 20.

6 Q, R. 21. N, W, Z, Q, R 22. Q, R. 23. I, R 24. Z, Q, R. 25. N, W, Z, Q, R 26. I, R. 27. Q, R; , , , , 28. Additive Inverse 29. Associative Property ( ) 30. Additive Identity 31. Associative Property ( ) 32. Commutative Property ( ). 33. Multiplicative Inverse 34. Distributive 35. Multiplicative Identity 36. 0. 1. 37. m; Additive Inverse 38. ; Multiplicative Inverse m glencoe /McGraw-Hill 3 algebra 2 chapter 1. PQ245-6457F-PO1[001-019].qxd 7/24/02 12:19 PM Page 4 TF06 Manish 06:BOOKS:PRD:PQ245_64575F FINAL DELIVERY:PQ245-01: 39.

7 1 40. natural numbers 41. 12 units 42. The square root of 2 is irrational and therefore cannot be described by a natural number. 1. 43. 10; 44. ; 10. 5 8. 45. ; 8 46. ; . 8 5. 4 3 3 5. 47. , 48. 4 , . 3 4 5 23. 49. 3a 2b 50. 10x 2y 51. 40x 7y 52. 11m 10a 53. 12r 4t 54. 32c 46d 55. 56. 9 19. 57. 8 9y 58. x y 10 6. 59. true 60. false; 3. 61. false; 6 62. true 63. ( 64. ; $ 5) or ( ) . ( ) ( ) . ( ) (5). glencoe /McGraw-Hill 4 algebra 2 chapter 1. PQ245-6457F-PO1[001-019].qxd 7/24/02 12:19 PM Page 5 TF06 Manish 06:BOOKS:PRD:PQ245_64575F FINAL DELIVERY:PQ245-01: 65.

8 3 a2 b 2 a1 b 1 1. 66. 50(47 47); 50(47) 50(47). 4 8. 3 a2 b 2 a1 b 1 1. 4 8. Def. of a mixed number 3 122 3 a b 2 112 2 a b 1 1.. 4 8. Distributive 3 1. 6 2 Multiply. 4 4. 3 1. 6 2 Comm. ( ). 4 4. 3 1. 8 Add. 4 4. 8 a b 3 1. Assoc. ( ). 4 4. 8 1 or 9 Add. 67. 4700 ft2 68. $113( );. $113( ) $113( ). 6 8 6 8. 69. $ 70. Yes; 7;dividing 2 2 2. by a number is the same as multiplying by its reciprocal. 71. answers should include the 72. B. following. Instead of doubling each coupon value and then adding these values together, the Distributive Property could be applied allowing you to add the coupon values first and then double the sum.

9 glencoe /McGraw-Hill 5 algebra 2 chapter 1. PQ245-6457F-PO1[001-019].qxd 7/24/02 12:19 PM Page 6 TF06 Manish 06:BOOKS:PRD:PQ245_64575F FINAL DELIVERY:PQ245-01: If a store had a 25% off sale on all merchandise, the Distributive Property could be used to calculate these savings. For example, the savings on a $15 shirt, $40 pair of jeans, and $25 pair of slacks could be calculated as (15) (40) . (25) or as (15 . 40 25) using the Distributive Property. 73. C 74. true 75. False; 0 1 1, which is 76. true not a whole number.

10 2. 77. False; 2 3 , which is not 78. 9. 3. a whole number. 79. 6 80. 5. 81. 82. 358 in2. 7. 83. 11 84. 10. 85. 86. 36. chapter 1. Practice Quiz 1. Page 18. 1. 14 2. 9. 3. 6 4. 1. 5. 2 amperes 6. Q, R. 7. N, W, Z, Q, R 8. Additive Inverse 6 7. 9. , 10. 50x 64y 7 6. glencoe /McGraw-Hill 6 algebra 2 chapter 1. PQ245-6457F-PO1[001-019].qxd 7/24/02 12:19 PM Page 7 TF06 Manish 06:BOOKS:PRD:PQ245_64575F FINAL DELIVERY:PQ245-01: Lesson 1-3 Solving Equations Pages 24 27. 1. Sample Answer : 2x 14 2. Sometimes true; only when the expression you are dividing by does not equal zero.