Name CHAPTER 6 Date Class Chapter Test Form A Select the best answer. 1. Which ordered pair is a solution of x 2y 1 ? yx A 1, 1 B 3, 1 5. Leslie joins a fitness club that has a membership fee of $20 plus $15 per month. Rashad’s club has a fee of $40 and charges $10 per month. In how many months will the two clubs cost the same? A 4 months B 12 months x y 1 . 6. Solve by any method: xy3 { 2. The graph of a system of linear equations is shown below. What is the solution of the system? { Y Y X X A B C D 0, 0 2, 2 A 2, 1 B 1, 2 0, 2 1, 1 3. Solve by substitution: A 2.5, 3.5 B 0, 1 { yx xy 17 . 7. Which term describes a system with exactly one solution? A consistent and independent B consistent and dependent C inconsistent D dependent C 6, 7 D 3, 4 2x + y 10 . 4. Solve by elimination: xy2 A 4, 2 B 8, 6 { Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 107 107 Holt Algebra 1 12/22/05 1:51:29 PM Process Black Name Date CHAPTER Chapter Test 6 Form A continued 8. Which equation would make this system have an infinite number of solutions? { A B C D 12. For which system of linear inequalities is the ordered pair 1, 1 a solution? y x 1 A yx1 yx2 { yx1 B { yx3 2y 2x 2 y2x y 2x y 3x 1 9. Solve { Class 13. The graph of a system of linear inequalities is shown below. Which ordered pair is a solution of the system? x 2y 4 . 2y x 6 Y A no solution B infinitely many solutions 10. Which ordered pair is a solution of y x 1? A 0, 2 B 1, 3 C 2, 3 D 3, 3 X 11. The solution of which linear inequality is graphed below? Y A 2, 2 B 4, 3 14. Amber is buying drinks and snacks for a party at her house. She can spend no more than $20. Drinks d cost $1 each. Snacks s cost $2 each. She needs at least 5 of each snack. What system represents this situation? X d5 A s5 d s 20 A y x B y x C 2, 2 D 4, 0 C y x D y x Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 108 B 108 { { d5 s5 d 2s 20 Holt Algebra 1 12/22/05 1:51:30 PM Process Black Name CHAPTER 6 Date Class Chapter Test Form B Select the best answer. 1. Which ordered pair is a solution of x y 3 ? 2x y 0 A 3, 0 B 1, 2 C 0, 0 D 1, 4 5. Sam needs to make a long-distance call from a pay phone. With his prepaid phone card, he will be charged $1.00 to connect and $0.50 per minute. If he places a collect call with the operator he will be charged $3.00 to connect and $0.25 per minute. In how many minutes will the phone card and the collect call cost the same? A 5 min. 1 min. B 5__ 3 C 8 min. D 16 min. { 2. The graph of a system of linear equations is shown below. What is the solution of the system? Y 6. Solve by any method: Y { 2xx 3yy 1118 . X X F 0, 3 G 0, 6 3. Solve by substitution: A B C D { yx3 . 2x y 9 1.5, 4.5 F 2, 5 6, 9 F 5, 8 17 __52, ___ 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 109 15 , ___ 47 ___ 7 7 G 3, 5 3, 6 4. Solve by elimination: G H 2, 4 J 6, 0 15 __27, ___ 4 J 5, 1 7. Which term describes a system with no solution? A consistent B dependent C inconsistent D independent { 3xx 2y2y111 . H 3, 4 J H 4, __72 109 Holt Algebra 1 12/22/05 1:51:31 PM Process Black Name Date CHAPTER 6 Chapter Test Form B continued 12. For which system of linear inequalities is the ordered pair 1, 3 a solution? 8. Which equation would make this system consistent and dependent ? { Class y 2x 4 F y 2x 5 G 6x 3y 12 9. Solve { 6 { yy x 2x 3 y x 6 G { y 2x 3 F H 2x y 4 J y 3x 4 6 { yy x 2x 3 y x 6 J { y 2x 3 H 13. The graph of a system of linear inequalities is shown below. Which ordered pair is a solution of the system? 4x 2y 6 y 2x 3 A no solution Y B 0, 0 C 2 3, 0 __ D infinitely many solutions 10. Which ordered pair is a solution of y 5x 2? H 3, 13 F 1, 5 G 2, 7 J 4, 4 X 11. The solution of which linear inequality is graphed below? Y A 3, 6 B 2, 0 14. A factory makes widgets x and gadgets y. Widgets cost $3 and gadgets cost $5 each to make. The boss wants at least 10 widgets and 20 gadgets per day. Total costs need to be at most $300 per day. What system represents this situation? X F A 3x y 4 B 3x y 4 a107c06_Assess.indd 110 { { x 10 y 20 x y 300 x 10 G y 20 3x 5y 300 C 3x y 4 D 3x y 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. C 0, 2 D 3, 6 110 x 10 H y 20 3x 5y 300 J { { x 10 y 20 5x 3y 300 Holt Algebra 1 12/22/05 1:51:32 PM Process Black Name Date Class Chapter Test CHAPTER 6 Form C 5. Robin has $24.50 and her brother Wayne has $68.50. Her brother is paying her $2.75 each day to help with his chores. When will they have the same amount of money? Select the best answer. 1. Which ordered pair is a solution of this system: { 4x3y y6x36 ? A 2, 11 C B 1, 1 D __12, 3 __12, 1 A 4 days B 8 days 6. Solve 2. Estimate a solution to the system. C 16 days D 44 days { 2y3y 3x2x 44. Y Y X X F 3, 2 G (2.5, 3.5) H 3.5, 2.5 J (4, 2) 3. Solve by substitution: A B C D F 4, 8 1 G 1, __ 2 H 4, 4 J 1, 2 { y3x3x2y2 13. 7. Logan has read 14 books and is reading 1 each week. Mariko has read 12 books and is reading 1 each week. Which term describes this scenario? A consistent B dependent C inconsistent D independent 2, 4 3, 11 11, 3 1, 5 4. Solve by elimination: F 1, 3 G 1, 3 Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 111 . { 2x2y 3y4x 7 10 H 2, 1 J 1, 2 111 Holt Algebra 1 12/22/05 1:51:34 PM Process Black Name Date Chapter Test CHAPTER 6 Form C continued 8. Which equation would make this system consistent and dependent? { 12. For which system of linear inequalities is the ordered pair 4, 3 a solution? 3 3 F 21x y __ 2 3 21 x __ H y ___ 2 2 G 42x 4y 3 J 21x 2y 3 { H F 2 9. Solve { xy y2x4 5 4 y 2x J { y 2 3x 6 y 2x {y 2 3x y 6 x G { y 2x 1 2y 7x __ 1 __ 13. Which ordered pair is a solution of the system? 9x 4y 6 __ Y 4 . 3x 2 y __ 40 __ 8 3 3 4, __ 4 B 8, 64.5 C infinitely many solutions D no solution A Class 10. Which ordered pair is a solution of 2y 4x 10? H 2, 10 F 2, 0 G 3, 2 J 1, 6 X 11. The solution of which linear inequality is graphed below? A 5, 10 B 4, 12 Y 14. A class fundraiser is earning $7 per car wash w and $4 per cake c sold. The cakes cost $2 to make and the supplies for the car wash cost $1 per car. They will wash less than 50 cars and bake no more than 30 cakes. They want to raise at least $320 to give to a local charity. What system represents this situation? X F G A y 4x 18 B 18 y 4x C 0, 4 D 12, 0 { { w 50 c 30 w c 320 w 50 H c 30 7w 4c 320 { w 50 w 50 J c 30 c 30 5w 3c 320 6w 2c 320 { C 18 y 4x D y 18 4x Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 112 112 Holt Algebra 1 12/22/05 1:51:35 PM Process Black Name CHAPTER 6 Date Class Chapter Test Form A 1. Tell whether 5, 2 is a solution of 5. Tank A contains 35 gallons of water and is increasing at a rate of 5 gallons per minute. Tank B contains 100 gallons of water and is decreasing at a rate of 8 gallons per minute. In how many minutes will the tanks contain the same amount of water? How much water will that be? { x2x3yy 113 2. Solve { yy xx 3 5 by graphing. Y 6. Solve by any method: 3x 2 . { yy 2x 8 Y X X 3. Solve by substitution: { y2x10y x4 . 7. Classify 4. Solve by elimination: Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 113 10 . { yy 6x 6x 3 Write consistent and independent, consistent and dependent, or inconsistent. { x4x2y2y722. 113 Holt Algebra 1 12/22/05 1:51:37 PM Process Black Name Date CHAPTER Chapter Test 6 Form A continued 12. Tell whether –6, 0 is a solution of yx4 . y 2x 8. How many solutions does { { 2x2y y4x 3 6 have? 9. Solve { 1x y __ 13. Graph 5 2 2y x 24 Class . { 1x 4 y __ 2 yx1 . Give two ordered pairs that are solutions and two ordered pairs that are not solutions. Y 10. Tell whether 1, 10 is a solution of y 5 6x. 11. Write the inequality represented by the graph below. X Y solutions: X not solutions: 14. At Healthy Hair, the cost of a children’s haircut x is $4 and the cost of an adult haircut y is $14. The manager’s goal for the day is to have at least 5 children’s cuts, at least 20 adult cuts, and to have total sales be greater than $500. Write a system to represent this situation. Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 114 114 Holt Algebra 1 12/22/05 1:51:38 PM Process Black Name CHAPTER 6 Date Class Chapter Test Form B 1. Tell whether ⫺5, ⫺6 is a solution of x ⫺ 2y ⫽ 7 . y ⫺ x ⫽ ⫺1 5. The population of Medford High School is 800 students and the population of Westville High School is 1240 students. The population of Medford High has been increasing at a rate of 30 students per year, while the population of Westville High has been decreasing by 25 students per year. If these rates remain constant, in how many years will the populations of the two schools be the same? How many students will that be? { yes 2. Solve { 4xy ⫺⫹4y⫽⫽x⫺1 by graphing. y 5 4 8 yrs, 1040 students 3 1x y ⫺ 5 ⫽ ⫺__ 2 . 6. Solve by any method: x⫽y⫺2 { 2 1 ⫺5 ⫺4 ⫺3 ⫺2 ⫺1 0 ⫺1 1 2 3 4 5 x y ⫺2 7 ⫺3 6 ⫺4 5 ⫺5 4 3 2 1 1, 3 3. Solve by substitution: ⫺5 ⫺4 ⫺3 ⫺2 ⫺1 0 ⫺1 { 3xy ⫺⫺2x2 ⫽⫽ y⫺5 . 1 2 3 4 5 x ⫺2 ⫺3 ⫺4 ⫺5 3, 11 4. Solve by elimination: { 3xx ⫹⫺4y2y⫽⫽344 . 2, 4 2x ⫹ 7 y ⫽ __ 3 . 7. Classify 3y ⫽ 2x ⫺ 3 { 6, 7 Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 115 inconsistent 115 Holt Algebra 1 6/15/06 10:53:39 AM Process Black Name CHAPTER 6 Date Class Chapter Test Form B continued ⫺4x ⫹ y ⫽ 1 8. How many solutions does 2y ⫺ 2 ⫽ 8x have? { 12. Tell whether ⫺1, ⫺4 is a solution of ⫺2x ⫺ y ⬎ 6 . y ⱕ 4x { no infinitely many 9. Solve { 8y ⫺ 6x ⫽ 48 . 3 x ⫺ 12 2y ⫽ __ 2 13. Graph ⫹ y ⬎ ⫺6 . { ⫺4x 5y ⱕ ⫺x ⫺ 20 Give two ordered pairs that are solutions no solution and two ordered pairs that are not solutions. 10. Tell whether 4, 3 is a solution of y ⱕ ⫺2x ⫺ 5. y 10 8 6 no 4 2 11. Write the inequality represented by the graph below. ⫺10 ⫺8 ⫺6 ⫺4 ⫺2 0 2 4 6 8 10 x ⫺2 Y ⫺4 ⫺6 ⫺8 ⫺10 possible answers: sol: 6, 6, 8, 10 X not sol: 6, 0 , 1, 7 14. A farmer has 165 feet of fencing material in which to enclose a rectangular grazing area. He wants the length x to be greater than 50 feet and the width y to be no more than 20 feet. Write a system to represent this situation. x 2 { Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 116 116 x 50 y 20 2x 2y 165 Holt Algebra 1 6/15/06 12:36:15 PM Process Black Name CHAPTER 6 Date Class Chapter Test Form C 1 , 1 is a solution of 1. Tell whether __ 2 2x y 2 . y 4x 3 5. A chemist has a 2% acid solution and an 8% acid solution. He wants to mix the solutions to get 300 mL of a 5.5% acid solution. How many milliliters of each solution does he need? { 1x y 2 __ 3 2. Solve by graphing. 3y 2x 3 { Y 6. Solve by any method: { yx3 . 1 y __ 1x __ 2 3 Y X X 3. Solve by substitution: y3 . { 2x y 12 x 7. Classify 4. Solve by elimination: Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 117 5y 4x 5 . {10y 2 4x { 3y2y 4x5x 294 . 117 Holt Algebra 1 12/22/05 1:51:42 PM Process Black Name CHAPTER 6 Date Class Chapter Test Form C continued 8. How many solutions does 3 3y 6x __ 2 have? y 2x 1 1 is a solution of 12. Tell whether 5, __ 3 yx4 . x 3y 4 6y 4x 6 9. Solve . 9y 6x 9 13. Graph { { y 3x 5 . 3x y 7 Give two ordered pairs that are solutions and two ordered pairs that are not solutions. { { Y 10. Tell whether 10, 1 x 5. y __ 4 1 is a solution of 7__ 2 X 11. Write the inequality represented by the graph below. Y 14. An artist has 600 inches of framing material to form a rectangular frame. The dimensions of the wall on which it will hang limit the frame’s width to no more than 200 inches. The artist wants the length to be at least 2 times longer than the width. Write a system to represent this situation. X Copyright © by Holt, Rinehart and Winston. All rights reserved. a107c06_Assess.indd 118 118 Holt Algebra 1 12/22/05 1:51:43 PM Process Black Answer Key continued Chapter Test Form A Chapter Test Form C 1. A 1. D 2. B 2. H 3. D 3. B 4. B 4. H 5. A 5. B 6. B 6. H 7. A 7. C 8. B 8. G 9. A 9. D 10. C 10. H 11. C 11. B 12. B 12. J 13. C 13. C 14. B 14. J Chapter Test Form B Chapter Test Form A 1. B 1. no 2. H 2. 4,1 Y 3. B 4. H 5. C 6. G 7. C 8. G 9. D 10. F X 11. B 12. J 13. C 3. 2, 8 14. H 4. 3, 5 5. 5 min; 60 gal Copyright © by Holt, Rinehart and Winston. All rights reserved. a107_Assess_Answer.indd 271 271 Holt Algebra 1 6/2/06 2:10:54 PM Answer Key continued 6. 2, 4 Chapter Test Form B Y 1. yes 2. 1, 3 Y X X 7. inconsistent 3. 3, 11 8. infinitely many 4. 6, 7 9. no solutions 5. 8 yrs, 1040 students 10. no 6. 2, 4 1x 11. y 6 __ Y 4 12. yes 13. possible answers: 2, 1 , 4, 0 ; 4, 0 , 6, 2 Y X X 7. inconsistent 8. infinitely many x5 14. y 20 4x 14y 500 { Copyright © by Holt, Rinehart and Winston. All rights reserved. a107_Assess_Answer.indd 272 9. no solution 272 Holt Algebra 1 1/4/06 12:18:16 PM Answer Key continued 10. no 4. 2, 7 11. x 2 5. 125 mL of the 2% and 175 mL of the 8% 12. no 6. 9, 6 Y 13. Y X X 7. consistent and independent possible answers: sol: 6, 6 8, 10 ; not sol: 6, 0 1, 7 8. none 9. infinitely many solutions x 50 14. y 20 2x 2y 165 10. yes { 1 11. y __ 2 12. no Chapter Test Form C 13. Possible answers; sol: 5, 0 7, 5 ; not sol: 0, 0 5, 1 1. yes 2. 3, 1 Y Y X 3. 5, 7 Copyright © by Holt, Rinehart and Winston. All rights reserved. a107_Assess_Answer.indd 273 X x 2y 14. y 200 2x 2y 600 { 273 Holt Algebra 1 6/2/06 2:10:55 PM