1.   Solve  x2 + 7x + 8 = 0.
    A. B.
    C. D.
    Hint

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

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

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

  5.   Solve x2 + 14x + 49 = 0 by using the quadratic formula.
    A. –3, –8 B. 6, 16
    C. 7, –18 D. 3, 8
    Hint