Algebra 2 Enriched Midterm Review Answers – 1. a. commutative of mult. 7. a. x = 16. -4, 1 b. associative of mult. b. x = 6a 15; no restr. 17. -1 – c. inverse of mult. c. x = 18. d. identity of mult. 8. a. 19. or 2. -1 b. 20. a. D = -4, -1, 1, 2 3. 9. 24cm x 29cm R = -3, 1, 2, 5, 7 -1 1 10. 63.14, 75.72, 82.03 b. no x repeats – 4. $29.95 11. 51, 53, 55 c. 1 2 12. a < 8 5. -3 2 5 13. all reals 21. a. D = all reals ; R = y 5 6. 14. x 2 or x 5 b. D = ; 7 15. no solution R =
Algebra 2 Enriched – Midterm Review Answers 1. a. commutative of mult. b. associative of mult. c. inverse of mult. d. identity of mult. 2. -1 3. -1 1 4. $29.95 1 2 5. -3 2 5 6. 7 7. a. x = b. x = 6a – 15; no restr. c. x = 8. a. b. 9. 24cm x 29cm 10. 63.14, 75.72, 82.03 11. 51, 53, 55 12. a < 8 13. all reals 14. x 2 or x 5 15. no solution 16. -4, 1 17. -1 18. 19. or 20. a. D = -4, -1, 1, 2 R = -3, 1, 2, 5, 7 b. no – x repeats c. 21. a. D = all reals ; R = y 5 b. D = ; R =
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