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

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

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

  4.   How many real roots are there for the equation 2x2 + 6x + 3?
    A. 2 B. 1
    C. cannot be determined from given information D. 0
    Hint

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



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