Algebra II – Final Exam 2009-2010 REVIEW 1. What is the vertex of the graph of y A. 2. 3. 6. (2, 6) C. (-2, -6) D. (4, 7) E. (-2, 6) 2 E. 2 E. 9 2 2 A. ( x 8)( x 2) B. ( x 4)( x 4) C. ( x 8)( x 2) D. ( x 4)( x 4) E. ( x 8)( x 2) C. 2 2 What are the solutions of 2 x 3 13? 2 2 B. 2 2 What is the simplified form of the expression A. 5. B. What is a correct factorization of x 6 x 16 ? A. 4. (0, 7) 1 ( x 2) 2 6 ? 4 3 18 B. 3 54 D. 162 ? 9 18 C. D. What does the product (5 2i )(3 7i ) equal? A. 15 14i 2 B. 1 41i C. 29 41i D. 1 41i E. 29 41i What is the factorization of f ( x) 2 x x 5 x 2 ? 3 2 A. ( x 2)( 2 x 1)( x 1) B. ( x 2)( 2 x 1)( x 1) C. ( x 2)( 2 x 1)( x 1) D. ( x 2)( 2 x 1)( x 1) E. ( x 2)( 2 x 1)( x 1) 3 54 7. 8. 9. What are all the rational zeros of f ( x) x 3x 13x 15 ? 3 A. -3, -1, 5 B. -3, 1, 5 C. -5, -1, 3 D. -5, 1, 3 E. -1, 3, 5 What are all the real zeros of f ( x) x 2 x x 4 ? 4 3 2 A. 2, 1 B. 2, 1 C. 1, 2 D. 1, 2 E. 1, 2 How many zeros does the function f ( x) 3x 2 x 7 x 5 have? 4 A. 10. 2 1 B. 2 C. 3 3 D. 4 E. 5 Which quadratic function in vertex form has a graph with the vertex (3,6) and passes through the point (2,31) ? A. y ( x 3) 2 6 B. y ( x 3) 2 6 C. y ( x 3) 2 6 D. y ( x 3) 2 6 E. y ( x 3) 2 6 2 11. 2 x 3 What is the simplified expression of 4 ? 3y A. 2x6 3 y8 B. 3 y8 2x6 C. 9 y6 4 x5 D. 9 y8 4x6 E. 9x6 4 y8 12. What is the value of f ( x) 8 x 6 x 5 x 10 x 9 x 1 when x 1 ? 5 A. 13. 14. 11 B. 4 -9 3 C. 2 7 D. -11 E. 19 E. What is the result of dividing 3x 7 x 5 by x 1? 3 2 A. 3 x 2 10 x 10 15 x 1 B. 3x 2 4 x 4 1 x 1 C. 3x 2 10 x 10 15 x 1 D. 3x 2 4 x 4 9 x 1 E. 3x 2 4 x 4 9 x 1 Which cubic function is graphed? A. 1 f ( x) ( x 1)( x 2)( x 4) 3 B. 1 f ( x) ( x 1)( x 2)( x 4) 3 C. 1 f ( x) ( x 1)( x 2)( x 4) 3 D. f ( x) 3( x 1)( x 2)( x 4) E. 1 f ( x) ( x 1)( x 2)( x 4) 3 Y 2 2 X ● (2, -8) 1 15. What is the value of 64 3 ? A. 4 B. 4 C. 1 4 D. 1 4 1 4 16. 17. Which of the following is an exponential decay function? A. 2 f ( x) 4 3 C. 2 f ( x) 7 5 E. 8 f ( x) 8 3 B. f ( x) 3 x D. f ( x) 2(5) x x x What is the simplified form of 5e (2e ) ? 8 A. 18. x 10e 40 B. 3 2 20e 2 C. 20 e2 D. 20 e 48 E. 10 e2 C. 0.807 D. -12.099 E. 8.099 What is the approximation of log 1 28 ? 2 A. 19. B. -4.807 What is the condensed expression for 3 log x log 2 ? A. 20. -0.208 x3 log 2 3 C. log 2 x E. log 2 x 3 What is f (3) where f ( x) B. log 2 x 3 D. x 3 log 2 50 ? 1 7e x A. 0.3342 B. 0.3487 C. 0.3531 D. 0.3672 E. 0.3915 21. x 2 7 x 44 x 2 17 x 72 What is the product 2 ? x 6 x 16 x 2 2 x 99 A. 22. C. B. 0 x4 x2 D. x 11 x9 E. x8 x2 x2 B. x 2 C. 6 D. 2 E. -6 C. 4.096 D. 4.099 E. 4.102 x2 D. 1 x2 E. x 1 x2 D. -3 E. -4, -3 3 32 ? 4.092 x 2 3x 10 x 1 ? x2 6x 5 x2 4 B. 1 x2 C. What are all the solutions of the equation A. 26. 4.085 What is the product A. 25. -2 What is the solution of 5 A. 24. x2 x4 B. What is the solution of log4 (2 x 7) log4 (3x 13) ? A. 23. x9 x2 3, 4 B. What is the difference A. x 2 x 15 ( x 3) 2 ( x 3) C. x 2 15 ( x 3) 2 ( x 3) E. x 2 15 ( x 3) 2 ( x 3) -3, 4 6 x ? x7 2 C. -4 x4 1 ? x2 6x 9 x2 9 B. x 2 x 15 ( x 3) 2 ( x 3) D. x 2 15 ( x 3) 2 ( x 3) 27. What is the solution of the equation A. 28. 15 B. What is the value of 25 A. 125 B. -2 3 2 6 2 4 ? x 3 x C. -15 D. 3 C. 125 D. E. 6 E. ? 1 125 1 125 1 125