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

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

  3.   Solve the equation (x -2)(x + 2) = 0.
    A. -2, 2 B. -2
    C. 2, 0 D. 2
    Hint

  4.   Solve  m2 - 2m = 15 by factoring.
    A. 3 B. 5
    C. -3, 5 D. -5, 3
    Hint

  5.   The roots of  x2 + 4x + 7 are________.
    A. real and imaginary B. real and rational
    C. imaginary D. real and irrational
    Hint

  6.   Find an equation for the parabola shown in the graph.
   
    A. y = (x - 2)2 - 4 B. y = (x - 2)2 + 4
    C. y = (x + 2)2 - 4 D. y = (x + 2)2 - 4
    Hint

  7.   Determine whether f(x) = –x2 – 3x + 4 has a maximum or a minimum.
    A. minimum B. cannot be determined from given information
    C. maximum D. both
    Hint

  8.   Which of the following graphs best represents the function y = –x2 + 7x + 8?
    A. B.
    C. D.
    Hint

  9.   Solve x2 + 8x + 16 = 36 by using the Square Root Property.
    A. -2 and –14 B. -4
    C. 2 D. 2 and –10
    Hint

  10.   Solve x2 - 2x + 1 = 18 by using the Square Root Property.
    A. and B. -5 and 2
    C. and D. 5 and –2
    Hint

  11.   Solve x2 + 14x + 49 = 0 by using the quadratic formula.
    A. –6, –8 B. 7
    C. 6, 8 D. –7
    Hint

  12.   Find the vertex of the graph of the function .
    A. (1, –2) B. (–1, 4)
    C. (1, 4) D. (–1, –2)
    Hint

  13.   Solve by graphing.
    A. {x| –1.12 < x < 0} B. {x| –1.12 < x < 3.12}
    C. {x| 0 < x < 3} D. {x| 0 < x < 3.12}
    Hint

  14.   When is it true that x2 + x > –2?
    A. B.
    C. all real numbers D.
    Hint



Glencoe
The McGraw-Hill Companies