1.   Use the quadratic formula to solve x2 + 2x - 8 = 0.
    A. -2 B. -4, 2
    C. -4 D. -4, -2
    Hint

  2.   Use the quadratic formula to solve 3y2 + 2 = 8y. Approximate the solutions to the nearest hundredth.
    A. 0.43, 2.87 B. 0.28, 2.39
    C. 0.56, 4.77 D. -0.64, 1.32
    Hint

  3.   Use the quadratic formula to solve x2 + 4x + 5 = 0.
    A. B. -1
    C. -1, -4 D. 5
    Hint

  4.   Which method of solving quadratic equations should be used when only an estimated solution is necessary?
    A. graphing B. completing the square
    C. factoring D. quadratic formula
    Hint

  5.   Which of the following equations will have exactly 1 real root?
    A. 9x2 + 12x – 4 B. 2x2 + 5x – 16
    C. x2 – 6x – 9 D. 4x2 – 8x + 4
    Hint



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