Name ______________________ Period_________ Semester Exam Review 1.Write the equation of the line containing (-2,6) and (4, -3). 2. Give the slope of a line perpendicular to the line in #2. 3. (-2,3) (-4,2) (2,3) (1,5) (-2,5) 4. (1,5) (2,6) (3,7) (4,8) Domain:________________ Domain:________________ Range:_________________ Range:_________________ Zeros:__________________ Zeros:__________________ Function: Y or N 5. Function: Y or N 6. Domain:________________ Domain:________________ Range:_________________ Range:_________________ Zeros:__________________ Zeros:__________________ Function: Y or N Function: Y or N Simplify the following expressions. 3 5 y 3 6 y 4 7. 3 x 2 9. 27x 5 y 2 9x 8 y 10. 3xy 2 2x 11. 5a 5a3 12. 4 x 3 5x 2 8. 2 _____13. Using f(x) = x2 – 5 and g(x) = x + 2 , Find f(g(2))= _____14. Using f(x) = x2 – 5 and g(x) = x + 2 , Find g(f(x))= _____15. Give the equation of the line containing (-1,5) and (3,7). _____16. The slope of the line parallel to the graph of 2x - 5y = 10 is ______. _____17. Using the function f(x) = 3x2 – 14x – 5 , the axis of symmetry equation is _____18. Start with f(x). Which notation would reflect f(x) across the y-axis? _____19. Start with f(x). How would f(x–4)+3 change the graph? _____20. Start with f(x). How would 2f(x) change the graph? 21. How many real zeros does f x x4 6x3 3x2 14x 2 have?_____________________ 22. Find the roots of f ( x) x3 5 x 2 3x 11 _________________________ 23. Find the values of x, if any, for which the following functions have a relative maximum or a relative minimum. a) f ( x) 4 x3 5x 2 28x 13 _________________ c) b) f ( x) x3 5x 2 4 x 13_____________________ f ( x) 2 x2 3x 4 ___________________ 24. Describe the transformations compared to the parent graph. a) y x 2 7 ________________________________________________ b) y x 5 8 ___________________________________________________ c) y 3 x 18 2 ______________________________________________ d) y 4 x 12 6 ______________________________________________ 2 3 25. State the equation of the function generated by translating the parent graph y x 3 four units to the right and 8 units up. _____________________________________________ 26. Find the inverses of the following functions a) f ( x) ( x 9)3 __________________ b) f ( x) x 2 5 ____________________ 27. What is the minimum possible degree of the polynomial of each function graphed? What is the function that describes the graph? a) b) c) d) 28. For x 2 5, x 3 , what is the value of f (3) ? f ( x) x 7, x 3 ______________ 29. Find the slope and y-intercept of the equation of the line passing through (-10,8) and (7, 3). 30. Write the slope intercept form of the equation of the line parallel to y = 3 x – 6 & passing through (0, 4). 4 31. Write the slope intercept form of the equation of the line perpendicular to y = -3x – 6 and passing through the point (7, -8). Find the inverse of the function. Is the inverse a function? Write yes or no. 32. y = 6 – 2x 33. Given f(x) = 8- x2, find f (-2). _______________________ Find the critical points of each function. Then determine whether each point represents a maximum, minimum, or a point of inflection. 34. y = x 3 3x 2 4 35. ______________________ y 4 x x2 _____________________ 36. Find the x- and y-intercepts of y x 2 6 x 11.__________________________ 37. Describe the transformation(s) that have taken place from the parent graph of 2 f(x) = x . a) y=5x 2 ____________________________________________ 2 b) y = -.75 x ___________________________________________ c) y = 3(x – 5) __________________________________________ d) y = 2 1 2 (x + 4) 3 - 2 ______________________________________ 38. Which graph has a maximum point? a) y= x 2 +6x + 11 b) y = x 2 + 8x + 21 ______________ c) y = -5x 2 - 30x + 51 _______________ ______________ d) y = 8x 2 + 40x + 37 ________________ 39. What is the relative maximum point of the graph of y = -x 2 - x +3?_________________ 40. What point is a relative minimum of the graph of f(x) = x3 - 4x 2 -5x +14?_______________ 41. Write the polynomial equation of least degree for the set of roots 4i, -5 ________________ 42. Write the polynomial equation of least degree for the set of roots 6, -5, 3_______________ 43. Solve the equation by using the quadratic formula 3x2 - 12x + 4 = 0.____________________ 44. Find the remainder for each division using synthetic division. Is the binomial a factor of the polynomial? x4 x2 2 x3 Simplify. 45. (j5)-2 9 46. 36 y (j4)-5 3y2 Evaluate using upside-down division. 47. 4 243x7 y 3 48. 75s8 49. Simplify i33. 50. Simplify (5 – 3i) + (-10 – 8i) 51. Simplify (3 - i)(4 + 2i) 52. Simplify 1 + 3i 2 + 5i 53. Complete the following Trig Identities. a) sin =______________ d) csc = _____________ b) cos =_______________ e) sec = ______________ c) tan = ______________ f) cot = _______________ 54. For right triangle ABC, if A = 22o, B = 90o, c = 10, find the measure of side b. 55. Sean, who is 56 meters from the base of a tower, measures 17 o to the top of the tower. How high is the tower? 56. Given: f(x) = 3x – 2 g(x) = x2 + 5 a. f(-3) = ________________________ b. f(g(4)) = ________________________ c. (f+g)(x) = ________________________ d. (f(g(x)) = ________________________ 57. A train travels due west for 400 kilometers and then north for 350 kilometers. Find the train’s distance and direction from its starting point. II. Find the values of the six trigonometric functions of . Assume that is an angle in standard position whose terminal side lies in the given quadrant. Draw and label the right triangle on the x-y plane. 58. sin 13 17 Quadrant II 59. tan 5 7 Quadrant III III. Find the values for State 60. 1 2 1 2 __________ cos 65. __________ sin 63. 3 2 66. cos 0 and 2 . 61. __________ 64. sin 1 2 __________ 62. cos for which each equation is true. Draw the angles. in radians between sin 1 2 __________ sin 0 __________ 3 2 __________ III. Sketch the angle on the unit circle. Find and label the reference angle. Find each exact value. Do NOT use a calculator. 67. sin 68. cos 69. 5 3 13 4 5 tan 6 70. 2 3 sin 9 4 71. cos 3 2 72. tan 73. sin 3 Graph the following angles and label using both degree and radian measures. You will need a protractor for these problems. You can use back of this paper or another sheet to draw the angles. Radians measures will have a Pi symbol in it. 74. 84 77. 75. -350 16 9 78. 114 76. 10 13 79. 14 11 If each angle has the given measure and is in standard position, determine the quadrant in terminal side lies. 80. a) 7 12 b) 346 c) 25 13 D) 545 Find the reference angle for each angle with the given measure. 81. a) 300 b) 7 3 c) 645 d) 15 7 which its Simplify the following rational expressions. 81. 5 x 15 x 2 3x a). 38k 2 m 2 n 24k 4 mn5 16 x 2 y 5 z 82. 8x 3 y 2 z 2 a). 6 x 18 x 3 83. 4x2 2x 6 x3 x2 2 a). 4 x 4x 3 84. 85. 86. x 2 2 x 3x 6 6 x 5 2 6x 3 3 2y 2 y 3 y 7 y 12 a). a). a). x 2 6x 8 x 2 2 x 24 m 2 2m 8 2m 8 2 8m 24 m 7m 12 2 7 5 x 20 x 4 5 7 4 x 12 x b). b. 7 x 14 x 2 2x 9x 9 x 8x 7 2 5 x 2 6x 7 b). x 1 3x 21 b). x3 x2 2 10 x 20 x 4 x 3 b). 7 4 x 2 3x 6 b). 2 3 x 5 x 7