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Answer Key Practice A 1. 2 2. 3. 4. 4 5. 6. 7. 8. 2 9. 10. 11. 12. y 1 13. y 6x 12; 0 14. 3x 4 y ; 1 x 1 y y 2x 12; 18 2x; 4 1 3 2 12 2 13 2 3 2 2x; 7 15. 16. 17. 18. 19. 20. 21. 22. t I r Pr I r Pt d t t d y r 8 y 10 3x 3 ; 22 3 3 y 2x 2; 4 2 8 2x y ; 2 3x x 1; 3 3 23. 24. w 25. A s l 2 3 h P 26. s 27. 3 28. 29. 30. l A 2A h b1 b2 ; 3 ft w C 5 F 32 9 b A h s P ; 11 cm 4 1 3
Lesson 1.4 LESSON 1.4 56 Algebra 2 Chapter 1 Resource Book NAME _________________________________________________________ DATE ___________ Practice A For use with pages 26–32 Find the value of y for the given value of x by first substituting the value of x into the equation and solving for y. 1. 2x 3y 12; x 3 2. 4x 5 3 2y; x 1 3. xy x 3; x 3 4. 4x 3xy 16; x 2 5. 2y 5x 1; x 5 6. x 3y 1 2; x 0 7. 3x 7y 8; x 2 8. x 12 xy; x 4 9. 5x 2y 8; x 1 Find the value of y for the given value of x by first solving for y and then substituting the value of x into the equation. 10. 11. 12. 13. 2x 14. xy 3x 4; x 2 15. 2x 3xy 8; x 2 16. 6x 9y 9; x 3 17. 3x 7 2y 3; x 4 18. 8x 3y 10; x 4 1 3x 2y 1; x 5 y 2x 12; x 3 1 2x y 1; x 6 3y 4 0; x 2 Solve the formula for the indicated variable. 19. Distance 20. Distance Solve for t: d rt Solve for r: d rt 21. Simple Interest 22. Simple Interest Solve for r: I Prt Solve for t: I Prt 23. Height of an Equilateral Triangle 24. Area of a Rectangle Solve for s: h Solve for w: A lw 3 2 s 25. Area of a Parallelogram 26. Perimeter of an Equilateral Triangle Solve for b: A bh Solve for s: P 3s 27. Celsius to Fahrenheit 28. Area of a Trapezoid Solve for C: Solve for h: A h 2 b1 b F 2 9 C 32 5 Solve the formula for the indicated variable. Then evaluate the rewritten formula for the given value(s). (Include units of measure in the answer.) 29. Perimeter of a Square: P 4s 30. Area of a Rectangle: Solve for s. Solve for l. Find s when P 44 cm. Find l when A 24 ft and w 8 ft. 2 A lw s s s s w Copyright © McDougal Littell Inc. All rights reserved.
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Answer Key Test A Graph 1-6 on grap
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Answer Key Test A 1. 72 8.49; 3, 3
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Review and Assess CHAPTER 10 CONTIN
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CHAPTER 10 NAME ___________________
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Answer Key Test C 1. 2. 162 12.7;
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Review and Assess CHAPTER 10 Cumula
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CHAPTER 11 NAME ___________________
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Answer Key Test B 1. arithmetic; d
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Lesson 13.6 LESSON 13.6 Solve ABC.
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CHAPTER 14 NAME ___________________
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