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

  2.   Use the quadratic formula to solve 2x2 + 7x + 4 = 0. Approximate the solutions to the nearest hundredth.
    A. -3.35, -0.15 B. 1.28, 3.66
    C. -5.56, -1.44 D. -2.78, -0.72
    Hint

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

  4.   Which method of solving quadratic equations is best suited for the equation x2 – 18x = 0
    A. completing the square B. quadratic formula
    C. factoring D. graphing
    Hint

  5.   How many real roots exist if the discriminant of the equation = 0?
    A. 2 B. 1
    C. cannot be determined from given information D. 0
    Hint



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