0350PracticeTest3

# 0350PracticeTest3 - 21 f x = 4 x 7 22 f x = x-6 3 Solve...

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CHAPTER 10 O’ NEILL AND MILLER INTERMEDIATE ALGEBRA NAME:____________________________ PRACTICE TEST 3 Simplify each expression. Write answers without any negative exponents. 1. 4 9 3 2 2. - 8 27 2 3 3. 27 - 1 3 4. 1 64 1 3 + 1 16 5 4 5. 2 x 2 5 y - 3 10 10 In each of the following, simplify each expression. Assume that all variables represent positive real numbers. 6. 256 x 8 y 12 4 7. 40 a 3 b 6 3 8. ( a + 5) 5 5 9. 112 ab 2 7 ab Simplify and combine like radicals. Assume that all variables represent positive real numbers. 10. 98 - 50 11. 24 x 4 3 + 3 3 x 4 3 12. 3 48 x 4 y 2 4 - 243 x 4 y 2 4 Multiply or divide as indicated. Rationalize all denominators. 13. 1 7 14. 5 3 15. 2 3 - 2 ( 29 3 - 5 2 ( 29 16. 5 p - 3 q ( 29 p + 2 3 q ( 29 17. 2 - 1 2 + 1 Solve and check each solution. 18. 6 n + 4 3 - 4 = 0 19. 2 r - 3 + 9 = r 20. Find the hypotenuse of a right triangle if the legs are 21 inches and 72 inches. List the domain of each of the following functions. Use interval notation.

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Unformatted text preview: 21. f ( x ) = 4 x + 7 22. f ( x ) = x-6 3 Solve each literal equation for A. 23. L = 2 A + 1 24. B 3 = 2A C Perform the indicated operations. Give all answers in a+bi form. 25. 5-3 i ( 29 + 7 + 2 i ( 29 26. 8--64 ( 29-10--9 ( 29 27. 7-2 i ( 29 5 + 3 i ( 29 28. 3 + 4 i 5-2 i Answers for Practice Test Three- O’Neill and Miller Intermediate Algebra-Chapter 10 1. 8 27 2. 4 9 3. 1 3 4. 9 32 5. 1024 x 4 y 3 6. 4 x 2 y 3 7. 2 ab 2 5 3 8. a + 5 9. 4 b 10. 2 2 11. 5 x 3 x 3 12. 3 x 3 y 3 4 ( 29 13. 7 7 14. 15 3 15. 16-11 6 16. 5 p + 9 3 pq-6 q 17. 3-2 2 18. n = 10 19. r = 14, r ≠ 6 20. 75 inches 21. Domain: -7 4 , ∞ 22. Domain: -∞ , ∞ ( 29 23. A = L 2-1 2 24. A = B 6 C 2 25. 12-i 26. -2-5 i 27. 41 + 11 i 28. 7 29 + 26 29 i...
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0350PracticeTest3 - 21 f x = 4 x 7 22 f x = x-6 3 Solve...

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