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

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

  3.   Solve  y2 + 8y + 16 = 0 by factoring.
    A. -4 B. 4
    C. 4, 8 D. -4, 4
    Hint

  4.   Solve 2p2 - 3p -2 = 0 by factoring.
    A. -, 2 B. , 2
    C. 1, 2 D. -2,
    Hint

  5.   Solve 4x2 - 8x + 3 = 0 by completing the square.
    A. B. 1, 3
    C. , 3 D.
    Hint

  6.   Solve 2x2 - 4x + 3 = 0.
    A. B.
    C. D.
    Hint

  7.   Stan the Hot Dog Man sells 100 hot dogs per day for $2 each, so his daily revenue is $200. He estimates that for every 25 cents he increases the price of a hot dog, he will sell 5 fewer. What range of prices can he charge so that his daily revenue is at least $225?
    A. $3.00-$4.50 B. $2.00-$4.00
    C. $2.50-$4.50 D. $2.25-$2.50
    Hint

  8.   If a = 2 and the vertex is (3, -4), will there be a minimum or maximum value for the parabola? What is the value?
    A. maximum, –4 B. maximum, –3
    C. minimum, –4 D. maximum, 3
    Hint

  9.   In the equation y = x2 – 5, what is the axis of symmetry, and what is the minimum?
    A. x = –5, min = 0 B. x = 0, min = –5
    C. x = 0, min = D. x = , min = 0
    Hint

  10.   What must be done to the quadratic expression ax2 + bx in order to complete the square?
    A. find one fourth of b and add to original
    B. find one half of b, square this result, and add to original
    C. square b, then find one half of the result, and add to original.
    D. square b and add to original
    Hint

  11.   Solve x2 + 14x + 49 = 0 by using the quadratic formula.
    A. 7, –18 B. 3, 8
    C. 6, 16 D. –3, –8
    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.   Find the axis of symmetry of the following function:
    A. x = 7 B. x = –7
    C. x = D. x =
    Hint

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



Glencoe
The McGraw-Hill Companies