1.   Factor x2 – 16.
    A. (x – 4)(x – 4) B. (x + 4)(x – 4)
    C. (x + 2)(x – 8) D. (x + 4)(x + 4)
    Hint

  2.   Solve x2x – 72 = 0.
    A. x = -8 or x = 9 B. x = -8
    C. x = 9 D. x = 8 or x = -9
    Hint

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

  4.   Backtrack to find the input for the flowchart.
   
    A. b = –3 B. b = 5
    C. b = –5 D. b = 3
    Hint

  5.   Give the approximate solutions of this equation.(2z – 3) 2 – 31 = 33
    A. z = 2.5 and z = 5.5
    B. z = –2.5 and z = –5.5
    C. z = –2.5 and z = 5.5
    D. z = 2.5 and z = –5.5
    Hint

  6.   Find the solutions of the equation.–2(x – 7) 2 = –32
    A. x = 3 and x = –11
    B. x = 3 and x = 11
    C. x = –3 and x = 11
    D. x = –3 and x = –11
    Hint

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

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



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