1.   Use the graph to determine the solution of -x2 + 6x - 9 = 0.
   
    A. 3 B. 4
    C. 2 D. -9
    Hint

  2.   Solve the equation  n2 +3n = 0 by graphing.
    A. 0, 3 B. 0, -3
    C. 0 D. 3
    Hint

  3.   Solve the equation  w2 - 4w = 12 by graphing.
    A. -2, 6 B. 6
    C. 0, -3 D. 1, 4
    Hint

  4.   Find two real numbers whose sum is 12 and whose product is 32.
    A. 8 and 4 B. 7 and 5
    C. 2.25 and –14.25 D. no solution
    Hint

  5.   A quadratic function has two real roots. How many times does the graph cross the x-axis?
    A. cannot be determined from given information. B. 1
    C. 2 D. 0
    Hint



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