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

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

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

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

  5.   Solve by graphing.
    A. x = 2 B. x = 0
    C. no real roots D. x = –2
    Hint



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