College Algebra Questions With Answers
Sample 2



A set of college algebra multiple choice questions, with answers, are presented. The answers are at the bottom of the page.
  1. How many x intercepts does the graph of the function f(x) = x 3 + 4 have?

    A. 0B. 1C. 2D. 3

  2. If Logb(5) = c, then b 4c =

    A. 4B. 5C. 25D. 625

  3. How many points of intersection do the graphs of the functions f(x) = x 2 and g(x) = 2 x have?

    A. 1B. 2C. 3D. 4

  4. The range of the function f(x) = -x 2 + 2x - 5 is given by

    A. (0 , infity)B. (-infinity , 4]C. (-infinity , -4]D. (-infinity , -5]

  5. Which of these functions does not have an inverse?

    A. f(x) = |x - 5| B. h(x) = 2x - 9
    C. k(x) = ln(- x + 4)D. j(x) = x 1/3

  6. The solution set of the inequality (x + 5) 4(x + 3) ≥ 0 is given by interval

    A. [-3 , infinity)B. {-5} U [-3 , infinity)C. (-infinity , infinity)D. (-3 , infinity)

  7. The range of the function h(x) = -|x - 5| - 2 is give by

    A. (-infinity , 0)B. (-infinity , -2)C. (-infinity , -2]D. (-infinity , 2]

  8. 5 ln e 2 - 2 ln (7e) + ln 49 =

    A. 8B. 3C. 4 ln 7D. 8e - 4 ln 7

  9. If f(x) = x / (- x + 4) and g(x) = 2x + 2, then (f 0 g)(1) =

    A. 4/3B. 4 1/3C. 4D. undefined

  10. √(x 2 + 6x + 9) =

    A. x + √(6x) + 3B. x + 3C. |x + 3|D. (x + 3) 2

  11. If f(x) = x 2 + 1 for x ≤ 0, then f -1(x) =

    A. x -1 B. √(x - 1)C. √(x + 1)D. - √(x - 1)

  12. The domain of f(x) = ln(2 - x) + ln(3 - x) is given by

    A. (-infinity , 2)B. (2 , 3)C. (-infinity , 3)D. (-infinity , 2]

  13. The solution set of the inequality (x - 1) 2 ≤ 0 is given by

    A. (-infinity , infinity)B. (-infinity , 1]C. {1}D. [1 , infinity)

  14. The solution to the equation 2 (4 x+1) = 4 (8 x + 2)

    A. -5B. 1C. 0D. no solution

  15. The number of solutions of the equation | - x 2 + 4x + 1 | = 5 is equal to

    A. 1B. 2C. 3D. 4

  16. Using the absolute value concept, the statement

    The distance from x to -6 is not less than 7


    may be written as follows

    A. |x + 6| ≥ 7B. |x + 6| > 7C. |x + 7| ≥ -6D. |x + 7| ≥ 6

  17. If f(2x + 3) = 2x - 1, then f(3x + 4) =

    A. 6x + 7B. 3xC. 6x + 11D. 9x + 15

  18. -x 2 + x - 3 =

    A. -(x + 1/2)2-11/4B. (x - 1/2)2-11/4C. -(x - 1/2)2-11/4D. -(x - 1/2)2+11/4

  19. How many solutions do the equation 1/x + 1/(x + 1) = 1/3 have?

    A. 0B. 1C. 2D. 3

  20. If the whole graph of function f lies in quadrant IV, then the graph of the inverse of lies in quadrant

    A. IB. IIC. IIID. IV

Answers to the Above Questions
  1. B
  2. D
  3. B
  4. C
  5. A

  6. B
  7. C
  8. A
  9. D
  10. C

  11. D
  12. A
  13. C
  14. A
  15. C

  16. A
  17. B
  18. C
  19. C
  20. D

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