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

  2.   Solve a2 - a - 20 = 0 by completing the square.
    A. -5, 4 B.
    C. D. -4, 5
    Hint

  3.   Solve 2z2 + z - 4 = 0 by completing the square.
    A. B. -2, 1
    C. D.
    Hint

  4.   Backtrack to find the input for the flowchart.
   
    A. t = 1 B. t = 3
    C. t = 4 D. t = 2
    Hint

  5.   Solve the equation by backtracking.
    A. y = B. y =
    C. y = 3 D. y = 1
    Hint

  6.   Find the solutions of the equation.4y2 – 16 = 0
    A. y = 2 and y = –2 B. y = –2 and y = –2
    C. y = and y = D. y = and y =
    Hint

  7.   Rewrite the expression as a product of two binomials.x2x – 56
    A. (x + 7)(x – 8)
    B. (x – 7)(x – 8)
    C. (x – 7)(x + 8)
    D. (x + 7)(x + 8)
    Hint

  8.   Solve the equation.6x2 – 12x + 3 = 0
    A. x = 0.29 and x = –1.71 B. x = 0.29 and x = 1.71
    C. x = –0.29 and x = –1.71 D. x = –0.29 and x = 1.71
    Hint



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