1.   Use the graph to determine the solution(s) of 
x2 -  x - 6 = 0.
   
    A. -2 B. -3, 2
    C. -6 D. -2, 3
    Hint

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

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

  4.   Solve 0 = x2 + 4x + 5 by graphing.
    A. 1, –5 B. –1, 5
    C. no real roots D. 2
    Hint

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



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