Algebra 2 Name: _________________________ End of Course Review Date: _____________ Period: _____ 1. What is the end behavior of y x 4 2 x3 x 1 ? __________ & __________ 2. What is the end behavior of y x5 6 ? __________ & __________ 3. Write the third degree polynomial with zeros at 1, 2, and 3. _______________ 4. Write the third degree polynomial with zeros at 1, –1, and –4. _______________ 5. Give a cubic equation in factored form for the function. ____________________ y 5 4 3 2 1 –5 –4 –3 –2 –1 –1 1 2 3 4 5 x –2 –3 –4 –5 6. Give a quartic equation in factored form for the function. ____________________ y 5 4 3 2 1 –5 –4 –3 –2 –1 –1 1 2 3 4 5 x –2 –3 –4 –5 7. Simplify: ( x 2)( x 2 2 x 7) . Algebra 2 Final Exam Review _______________ Mitchell Page 1 of 8 8. Simplify: ( x 1)( x 2 2 x 3) . _______________ 9. Find all the rational zeros of 2 x 4 7 x 2 4 . __________ 10. Find all the rational zeros of x 4 4 x 2 12 . __________ 11. Divide ( x3 12 x 2 39 x 28) ( x 7) . _______________ 12. Divide (2 x 2 3x 1) ( x 4) . _______________ 13. Find the rational root of x3 5 x 2 2 x 10 0 . __________ 14. Find all the rational roots of x3 2 x 2 5 x 6 0 . __________ 15. One root of 2 x3 3x 2 8 x 12 0 is 2. What are the other 2 roots? __________ 16. One root of 3 x3 2 x 2 19 x 6 0 is 3. What are the other 2 roots? __________ 17. Simplify: (4a 2b)3 (ab 4 ) 2 . No negative exponents in the answer. __________ 18. Simplify: 19. Simplify: x 2 y 3 z . No negative exponents in the answer. xy 4 z 5 75a4b7 . __________ __________ 20. Simplify: 2 x 49 xy 2 . __________ 21. Simplify: 5 3 2 xy 6 3 8 y 3 . __________ Algebra 2 Final Exam Review Mitchell Page 2 of 8 22. Simplify: 2 5 64 x 2 y 3 4 5 4 x3 y 8 . __________ 23. Simplify by rationalizing the denominator: 24. Simplify by rationalizing the denominator: 2 . __________ 1 2 . 3 2 __________ 3 5 4 25. Simplify (27) 3 . __________ 2 26. Simplify 8 3 . __________ 1 27. Solve: (4 x 1) 4 4 1 . __________ 4 3 28. Solve: 2( x 1) 4 36 . __________ 29. Consider the functions f ( x) x3 and g ( x) 2 x 1 . Find ( f g )(1) . __________ x . Find ( g f )(4) . 2 __________ 30. Consider the functions f ( x) 2 x 2 1 and g ( x) 31. What is the inverse for y 5 x 1 ? __________ 32. What is the inverse for y 4 x 3 ? __________ 33. Write a function to model the value of a laptop that costs $1200 and depreciates 30% each year. Algebra 2 Final Exam Review Mitchell _______________ Page 3 of 8 34. Write a function to model the value of a diamond that costs $2700 and appreciates $15% each year. _______________ 35. A savings account has an initial balance of $2500. It earns 2.72% annual interest, compounded continuously. How much is in the account after 10 years? __________ 36. You have purchased a $500 CD (certificate of deposit) paying 3.6% annual interest, compounded continuously. How much is it worth after 5 years? __________ 37. What is the value of log3 27 ? __________ 38. What is the value of log 0.01? __________ 39. Expand log 7 (5 x) . _______________ 40. Write as a single log: 2 log x log y . __________ 41. If x varies directly with y & x = 1.7 when y = 10, what is the value of x when y = 14? __________ 42. If x varies directly with y & x = 2.5 when y = 7, what is the value of y when x = 9? __________ 43. Graph y 3 . x Algebra 2 Final Exam Review 1 44. Graph y . x Mitchell Page 4 of 8 45. y varies directly with the cube of x and inversely with z. Write an equation to describe this situation. __________ 46. a varies jointly with b and c and inversely with the square of d. Write an equation to describe this situation. __________ 47. Simplify: x 3 x 2 2 x 15 . x2 9 x2 2 x 1 __________ 48. Simplify: 5 y 20 7 y 35 . 3 y 15 10 y 40 __________ 16 x 2 x4 2 49. Simplify: 2 . x 2x 3 x 4x 3 __________ 50. Simplify: x 2 10 x 16 x 8 2 . 2 x 6 x 16 x 64 __________ 51. Simplify: x 7x 6 2 . x3 x x6 __________ 52. Simplify: x 1 x . x 2x 8 4x 8 __________ 2 53. Solve: 4 5 . x 2 2x 3 __________ 54. Solve: 1 3 7 . 4x 4 x __________ Algebra 2 Final Exam Review Mitchell Page 5 of 8 2 2 55. Graph ( x 1) ( y 2) 4 . Algebra 2 Final Exam Review 2 2 56. Graph ( x 3) ( y 1) 25 . Mitchell Page 6 of 8 Answers 1. up & up 20. 14xy x 2. up & down 21. 10 y 3 3 2 x 3. x3 6 x 2 11x 6 22. 16 xy 2 5 8 y 4. x3 4 x 2 x 4 5. y x( x 3)( x 2) 23. 3 2 10 4 24. 54 2 7 6. y ( x 3)( x 1)( x 1)( x 4) 7. x3 3x 14 25. 81 8. x3 x 2 x 3 1 4 9. ±2 26. 10. no rational roots 27. 20 11. x 2 5 x 4 28. {–7, 9} 12. 2x – 5 R 19 29. –27 13. 5 30. 33 2 14. {–2, 1, 3} 3 15. , 2 2 1 16. 2, 3 31. y 1 1 x 5 5 32. y x2 3 4 17. 64a4b11 33. y = 1200(0.7)x y7 18. 3 4 xz 34. y = 2700(1.15)x 35. $3281.47 19. 5a 2b3 3b Algebra 2 Final Exam Review Mitchell Page 7 of 8 36. $598.61 47. x5 ( x 1) 2 48. 7( y 4) 6( y 4) 49. ( x 4)( x 1) x 1 37. 3 38. –2 39. log75 + log7x x2 y 40. log 50. x + 8 41. 2.38 51. x2 x2 52. ( x 2) 4( x 4) 42. 25.2 43. y 4 3 53. 2 1 –4 –3 –2 –1 –1 1 2 3 x 4 2 3 54. –9 –2 55. –3 y –4 4 3 y 44. 4 2 3 1 2 –4 1 –3 –2 –1 –1 1 2 2 4 3 4 x –2 –4 –3 –2 –1 –1 1 2 3 4 x –3 –4 –2 –3 56. –4 y 8 6 45. y 4 kx3 z 2 –8 46. a kbc d2 –6 –4 –2 –2 6 8 x –4 –6 –8 Algebra 2 Final Exam Review Mitchell Page 8 of 8