Math 1010 Section 5 William Malone Final Review Name: This review will be graded on completion and is due on December 14th. Complete solutions can be found on my website. 1. Simplify the following using the order of operations 3 × 5 + 2 ÷ 6 − 4(−6 × 24 + 20) ÷ 2 × 6 2. Simplify the following 2 5 − 5 6 3 4 3. Simplify the following (4x − 1)(3x2 y − 6xy + y 2 ) − (5y + 2)(6x2 + 2x2 + xy). 4. Find all solutions to 3x2 − 4x(x − 2) + 4x − 3 = 5x2 − x(6x + 2) − 5 5. Graph all real numbers that satisfy both inequalities 3x + 2 > 4x + 1 and 6x − 2 ≥ 9 − x 6. Find all solutions to the equation |3x−1|−|x+2| = 10 and check your solutions. 7. Graph all solutions to the inequality on the real number line |2x − 5| > 6. 8. Given two points (3, 2) and (−4, 5) compute the distance between them and find the midpoint on the line segment joining them. 9. Find the x and y-intercepts for the function f (x) = 12x2 − 13x − 14. 10. Find the equation for the line passing through (2, 3) of slope -13. Put your answer in standard form. 11. Find the equation for the line passing through (4, −1) and (−5, 6). Put your answer in slope intercept form. 12. Find an equation for the line passing through (−7, 1) perpendicular to the line 3x − 4y + 6 = 4y − 2x + 9. 13. Give an example of a line that is perpendicular to 4y-7x=10 and an example of a line that is parallel to the same line. 14. Graph all solutions to 4x − 2y + 7 > 3x − 2y + 12 in the rectangular coordinate system. 15. Graph the domain of the function on the real number line. f (x) = log5 (x2 − 1) + 16. Let f (x) = √ √ 3x2 + 1 − 42 5 − x + 47 x2 x+2 + 9x + 14 3x2 + 1 x > 0 . Find f (2), f (0), f (−5) and f (2x + 1) for x > 1. x − 4x2 x ≤ 0 17. Using the point plotting method plot the graph of the function f (x) = |||x + 1| − 3| − 3|. 18. Is 3y 2 − 2x + 5 = 0 a function of x? Why or why not? 19. Is 6y 2 − 2y + 1 = 6y(x + 1 + y) − 2 a function of x? Why or why not? 20. Graph f (x) = x2 − 10x + 28 using shifts and reflections of known graphs. 21. Graph g(x) = −( 31 )x+2 − 7 using shifts and reflections of known graphs. 22. Graph h(x) = − log 1 (−x − 5) + 4 using shifts and reflections of known graphs. 2 23. Find all solutions to the following system of equations. 3x − 2y = 26 4x + 5y = −19 24. Graph all solutions to the system of inequalities in the rectangular coordinate system. 3x + 4y − 8 > 0 5x − 6y < −6 3y < x + 12 25. Simplify the following expression (310 x2 )−7 − (y 3 z 4 )5 (3−11 x2 y 3 z 4 )4 26. Multiply the following polynomials. (3x − 4x2 + x10 )(x5 − 7x3 + 1) 27. Factor completely 4x8 − 1000x3 + 500x5 − 8x6 . 28. Factor completely 15x2 + 11x − 60. 29. Find all solutions to the equation 4x3 − 17x2 + 10x − 11 = 3x3 − 24x2 + 13x + 10. 30. Simplify x2 −3x+2 x2 −5x+4 x2 +3x+1 x2 −2x−8 31. Simplify the following to a rational expression. x−3 x−5 − x+2 x+9 32. Perform the division 3x3 − 2x + 5 x−2 33. Perform the division 3x3 − 5x2 x2 + 1 34. Find all solutions to the equation 7 4 − =5 x+2 x−1 2 35. Simplify the following to an integer 64 3 . 1 1 36. Write the following as a radical of a single polynomial (x − 1) 2 (x + 1) 4 . 37. Simplify √ √ 3− 2 √ √ 6− 2 38. Find all real solutions to the equation (4x − 1)14 = 11. √ √ √ 39. Find all solutions to the equation 2x − 3 − 5 − x = 5 − 1. 40. Simplify the following to a complex number 3−i 3+i 2−i 2+i 41. Let f (x) = 3x2 −3, g(x) = log9 (x2 +1), and h(x) = 3x+1 . Then find (f ◦g ◦h)(x) and (g ◦ f ◦ h ◦ h)(x). 42. Let T (x) = −12 log2 (−2x2 −3)+17. Write T (x) as a composition of 4 functions. 43. (Will be on the test) Let f (x) = 5 − (3 − x)5 . Find f −1 (x). 1 44. Simplify the following to a rational number. log128 ( 256 ). 45. Expand the following: log11 (x6 y 7 z 9 w10 ). 46. Condense the following to a logarithm of a single quantity. 4log2 (x) − 3log4 (y) − 5log16 (x + 1) 47. Find all solutions to the equation 3 · 42x−1 − 5 = 0. 48. Find all solutions to the equation 9 log 1 (x − 2) + 11 = 0 2 49. (Quadradic Formula) x= 50. u2 − v 2 = 51. u3 + v 3 = 52. u3 − v 3 = 53. loga (uv) = 54. loga ( uv ) = 55. loga (un ) = 56. (Change of Base Formula) loga (u) = 57. (Definition of a logarithm) loga (x) = y if and only if 58. (Distance Formula) 59. (Midpoint Formula) 60. (Slope) 61. (Point-Slope Equation for a Line) 62. (Slope-Intercept Equation for a Line) 63. (General Equation for a Line)