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

  2.   Use the quadratic formula to solve 6x2 - x - 1 = 0.
    A. B.
    C. D.
    Hint

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

  4.   In the quadratic formula, what does b2 – 4ac tell you.
    A. the places where a quadratic equation crosses the x-axis B. the solution(s) in a quadratic equation
    C. the number of solutions in a quadratic equation D. the vertex of a quadratic equation
    Hint

  5.   Find the quadratic equation with 1 solution.
    A. 4x2 + 4x – 35= 0 B. x2 + 6x + 9 = 0
    C. x2 – 2x + 2= 0 D. x2 – 10x + 21= 0
    Hint



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