CLEP College Algebra Practice Test Time—90 Minutes 60 Questions 1. For each question below, choose the best answer from the choices given. (3x + 5)2 = (A) (B) (C) (D) (E) 2 9x + 30x + 25 9x2 + 15x + 25 9x2 + 15 9x2 + 25 3x2 + 25 5. x 2 - 16 Where defined, x + 5 x+4 x-5 (A) 2. 3. 16 – 3x + 2 4 + 3x – 2 4 + (3x + 2) –(3x + 2)2 3x + 2 (C) ( x + 4)( x - 5) 3r3 + 34r + 20 3r3 + 34r – 20 3r3 – 34r + 20 3r3 – 34r – 20 13r3 + 34r + 20 6. x+5 (D) x − x − 20 x+5 (E) x+5 x-5 Which of the following is a factor of 8x2 – 2x –28? (A) (B) (C) (D) (E) If a + b = 4, what is the value of |4 – a| + |4 – b|? (A) (B) (C) (D) (E) x+5 2 4r(2r2 – 6) – (5r3 – 12 + 10r) + 8 = (A) (B) (C) (D) (E) 4. (B) ( )( ) ( x − 4)( x - 5) Which of the following is a factor of 16 – (3x + 2)2? (A) (B) (C) (D) (E) 1 x+5 x - 5 –4 0 4 8 It cannot be determined from the given information. 7. 4x + 7 4x – 4 4x + 2 2x – 7 x+2 Of the following, which is greatest? (A) (B) (C) (D) (E) 3 4(2 ) 3 (42) 3 (24) 3 2(4 ) 2 (34) 1 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 8. For every positive integer x, (A) (B) (C) (D) (E) feet high. The tennis ball hits the ground and –1 0 x–1 x 2x 1 9. 10. Millie drops a tennis ball out a window that is h x! + x = ( x – 1)! bounces several times. The height of each bounce 3 the height of the previous bounce. For exis 5 ample, after the first bounce, the ball bounces to 3 a height of h feet. Which of the following rep5 resents the total number of feet the ball travels 3 Which of the following is equal to a −3b 3 a 4 b3 ? between the first and eighth bounce? 10 9 (A) –b a (B) b 9 4 ∞ 3 (A) ∑ h i i =0 5 10 9 9 a4 3 (B) ∑ h i =1 5 9 (C) a4 10 8 3 (C) ∑ h i =1 5 b9 1 b3 (D) a (E) i 3 (D) ∑ 2 h i =1 5 8 1 9 i 7 i ( ) 10 a 4b 9 8 (E) ∑ (2 h) 3 i =1 5 i +1 2 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 13. Which of the following are the solutions of the equation 3x2 – x = x – 16? (A) x = 3 and x = 16 (B) x = 16 and x = –8 (C) 2 + 2 47 2 − 2 47 and 6 6 (D) −2 + 2i 47 −2 − 2i 47 and 3 3 (E) 2 + 2i 47 2 − 2i 47 and 6 6 11. Which of the lines in the figure above is the graph of y = –5? (A) (B) (C) (D) (E) a b c d e 12. Which of the following gives all values of p for which |p + 8| ≥ 12? (A) (B) (C) (D) (E) {p|p ≥ 12} {p|4 ≤ p ≤ 20} {p|–12 ≤ p ≤ 12} {p|–20 ≤ p ≤ 4} {p|p ≤ –20 or p ≥ 4} 14. The shaded region in the figure above represents the intersection of the graphs of y ≥ x, x ≥ 1, and which of the following inequalities? (A) (B) (C) (D) (E) y ≤ 2x + 3 y ≥ 2x + 3 y ≤ 2x – 3 y ≥ 4x – 3 y ≥ 4x + 3 3 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 18. Janna opens a bank account with $5,000 and makes no additional deposits or withdrawals. During the same week, her friend Emily spends $15,000 on a new car. At the end of each year, $250 is added to Janna’s account, while the value of Emily’s car decreases by $500 each year. Which of the following systems of equations could be used to find the number of years, y, that it will take for the values of Janna’s bank account (v1) and Emily’s car (v2) to be equal? (A) (B) (C) (D) (E) 15. The figure above shows the graph of the line with equation ax – by = 1. Which of the following must be true? (A) (B) (C) (D) (E) 19. If A = {50,65}, B = {45,50,60,75}, and C = {30,40,50,60,70}, then (A ∪B) ∩ C a = 1 and b < 0 a < 0 and b = 0 a < 0 and b < 0 a < 0 and b > 0 a > 0 and b < 0 (A) (B) (C) (D) (E) 16. The set of all values for b for which the equation 5x2 + bx + 5 = 0 has either one or two real roots is defined by (A) (B) (C) (D) (E) the empty set {50} {60} {50, 60} {45, 50, 60, 65, 70} 20. Which of the following numbers are not rational? b < 10 b > 10 b ≤ –5 or b ≥ 5 b ≤ –10 or b ≥ 10 b < –10 or b > 10 I. i II. 3.33 17. Which quadrants of the xy-plane contain points of the graph of 5x + y < 6? (A) (B) (C) (D) (E) v1 = 5,000 + y and v2 = 15,000 – y v1 = 5,000y + 250 and v2 = 15,000y – 500 v1 = 5,000 + 250y and v2 = 15,000 – 500y v1 = 5,000 + 500y and v2 = 15,000 – 250y v1 = 5,000 – 250y and v2 = 15,000 + 500y II and IV only I, II, and IV only II, III, and IV only I, II, and III only I, II, III, and IV III. 22 7 (A) (B) (C) (D) (E) I only I and II only I and III only II and III only I, II, and III 4 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 25. What is the 20th term of the arithmetic sequence 3x, 3x + 2, 3x + 4, …? 2 − 6i is expressed in the form a + bi, then 2−i what is the value of b? 21. When (A) (B) (C) (D) (E) 22. If l > m > 0 > n, then each of the following must be true EXCEPT (A) (B) (C) (D) ln < lm lm > mn ln < m2 < lm l4 > m 4 > n 4 (E) l> m x + 38 3x + 38 3x + 40 3x + 42 114 23. ( 3 i)5 = r p(r) –4 –2 0 2 4 6 8 –958 98 50 –46 –286 1,922 15,698 (A) −9 3 (B) 9 3 i 26. The table above gives some of the values of a fifth degree polynomial p(r). Based on the values shown, what is the minimum number of real roots of the equation p(r) = 0? (C) 27i (D) 9 (E) – 3 i (A) (B) (C) (D) (E) 24. What are all real values of y for which 5 1 y = + ? y + 7 5 10 (A) (B) (C) (D) (E) Five Four Three Two One 27. Monica drew a pattern with rows of triangles. The last row had 35 triangles. The row above it had 33 triangles, and each row above had 2 fewer triangles than the row just below it. There is 1 triangle in the top row. How many triangles are in the pattern in all? y = –12 y = 3 and y = –3 y = 3 and y = –12 y = 12 and y = –12 There are no real solutions. 5 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 31. If the remainder is 19 when x3 – 2x2 + lx – 8 is divided by x – 3, then l = 28. What is the middle term in the expansion of 6 x + 2 x ? 3 (A) 20 27 (B) 160 27 (C) 20 x 6 27 (D) 160 x 6 27 (E) 80 x 6 3 (A) (B) (C) (D) (E) 29. If x = 5 is a solution to the equation 2x3 – ax2 + 4x – 20 = 0, what is the value of a? 32. The figure above shows the graph of the function f. What is the value of f(f (0))? (A) (B) (C) (D) (E) 30. The first three terms of a geometric sequence are 1 1 1 , − , and . Which of the following rep5 15 45 resents the nth term of the sequence? (−1) 5(3) n −1 (−1) 5(3) n n+1 (C) (−1) (D) (−1) (A) (B) (E) 0 3 5 6 9 1 2 3 4 5 33. In the xy-plane, what is the x-intercept of the graph n −1 of y = 3 x − 15 ? 5 n 15n+1 n+1 15n-1 (−1) 5(3) n n-1 6 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 34. Which of the following define y as a function of x? 36. Which of the following could be the graph of y = x2 + 8x + 12? I. (A) II. 6x2 + 4y = 15 III. (A) (B) (C) (D) (E) x y –10 –5 5 10 8 –7 3 –7 (B) None I only I and II only II and III only I, II, and III (C) 35. If 52 + p = 25p, then p = (D) (E) 7 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 41. If f (x) = 8 + 3x2, and f –1 represents the inverse function of f, then f –1(x) = 37. If f (x) = 4x – 3 and g(x) = 3x + 3, then f (g(x)) = (A) (B) (C) (D) (E) 12x2 + 3x – 9 12x + 9 12x + 15 x+3 7x (A) 3 + 8x2 38. If log2(x – 6) = 5, then what is the value of x? (A) (B) (C) (D) (E) 25 31 38 41 59 39. For a science experiment, Ajay starts with 8 milliliters of a solution at 9:00A.M. Every 20 minutes, he doubles the amount of solution. Assuming no solution evaporates, how many milliliters of solution will there be at 11:00A.M.? (A) (B) (C) (D) (E) 42. (B) 1 8 + 3x 2 (C) 8− x 3 (D) x −8 3 (E) x −8 3 3x − 2 x − 5 − x + 4 3x + 2 (A) 256 512 1,024 2,048 4,096 (B) (C) 40. Which of the following must be true? I. ln12.5x = xln12.5 II. log6(pxr) = xlog6 p + log6r III. log4 4x = 4x (A) (B) (C) (D) (E) (D) (E) I only II only I and II only II and III only I, II, and III 8 x 2 − 6 x − 24 x + 4 3x + 2 ( )( ) ( 8 x 2 + x + 16 x + 4 3x + 2 )( ) ( 2x − 7 x + 4 3x + 2 )( ) ( x+5 x + 4 3x + 2 ) )( 2x + 3 −2 x − 2 8 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra (E) 43. The graph of the function y = f (x) is shown in the preceding diagram. Which of the following is the graph of y = f (x – 2) + 2 44. (i – 4)(2 + i) + (3i – 6) = (A) (B) (C) (D) (E) –15 + i –14 + i –12 + i –21 –3 (A) 45. f is an exponential function defined by f (x) = mnx, where m and n are positive constants. If f (4) = 162 and f (3) = 54, what is the value of m? 46. Which of the following will result in a perfect square for all integer values of x, when added to 9x2 + 16? (B) (A) (B) (C) (D) (E) (C) 36x 24x 16x 12x 0 x+y=2 x2 + y2 = 52 47. For what values of x will (x, y) be a solution to the above system of equations? (A) (B) (C) (D) (E) (D) The system has no solutions. x = – 6 and x = 4 x = 6 and x = – 4 x = 2 and x = 2 x = 7 and x = 3 9 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 51. 3x(4x2 + 2) – (8 – 2x3 + 10x) – 4 = (A) (B) (C) (D) (E) 10x3 – 4x – 4 14x3 + 4x + 4 14x3 – 4x + 12 14x3 – 4x – 12 14x3 + 16x – 12 1 3 4 7 1 2 52. If A = , , B = , , , , and 4 5 6 8 4 5 1 1 3 C = , , , then A ∪ B ∩ C is 2 4 4 ( 1 (A) 4 48. Which of the points in the above figure represents the complex number –1 + 4i? (A) (B) (C) (D) (E) 1 (B) 2 A B C D E 1 3 (C) , 4 4 1 2 3 4 7 (D) , , , , 4 5 5 6 8 (E) the empty set 49. What is the ending value of an investment if $7,000 is invested at 3% compounded monthly for 4 years? Round your answer to the nearest dollar. 53. Which of the following numbers are rational? I. 5 II. π III. 6.8989… 50. For the function f (x) =log5x, which of the following must be true? (A) (B) (C) (D) (E) I. f (x) decreases with decreasing values of x II. The domain is (–∞, 0) III. The range is(–∞,∞) (A) (B) (C) (D) (E) ) I only I and II only II and III only I and III only I, II, and III I only III only I and III only II and III only I, II, and III 10 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra 54. The first three terms of a geometric sequence are 15, 7.5, and 3.75. Which of the following represents the nth term of the sequence? 56. Which of the points in the preceding figure represents the complex number –3 – 2i? (A) (B) (C) (D) (E) (A) 15(2n–1) (B) 15(0.5n–1) (C) 15 0.5n−1 57. The first three terms in an arithmetic sequence (D) 15(–0.5n–1) (E) x x x + 5, + 12, and + 19 . What is the 15th 2 2 2 term in the sequence? are −15 2 n−1 (A) x + 50 55. If a + 5 = b, what is the value of |a – b| – |b – a|? (A) (B) (C) (D) (E) A B C D E –10 –5 0 5 It cannot be determined from the given information. (B) x + 96 2 (C) x + 98 2 (D) x + 103 2 (E) x + 110 2 11 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product. CLEP College Algebra I. i2 x 0 2 4 6 8 10 12 f(x) 20 –45 –80 –128 132 –160 90 II. 1 III. 2i (A) (B) (C) (D) (E) 60. –5b(b2 + 2b) – (4 + 3b3 – 6b) + 7 = 58. The table above gives some values of a 5th degree polynomial f (x). Based on the values in the table, what is the minimum number of real roots of the equation f (x) = 0? (A) (B) (C) (D) (E) I only II only III only I and II only I, II, and III (A) (B) (C) (D) (E) Five Four Three Two One –8b3 – 10b2 + 6b + 3 8b3 + 10b2 – 6b – 3 –8b3 – 10b2 + 3 2b3 – 10b2 + 6b + 3 2b3 – 10b2 + 3 59. Which of the following numbers are real? 12 Copyright © 2004 Thomson Peterson’s, part of the Thomson Corporation CLEP is a registered trademark of the College Entrance Examination Board, which was not involved in the production of and does not endorse this product.