1.   If y varies directly as x and y = 21 when x = 5, find x when y = 42.
    A. 21 B. 4.2
    C. 5 D. 10
    Hint

  2.   Jim's wages vary directly as the numbers of hours he works. For 7 hours, he makes $38.85. How much will he make in 37 hours?
    A. $205.35 B. $207.20
    C. $194.25 D. $1437.45
    Hint

  3.   Suppose y varies directly as x, and y = -319 when x = 29. Write a direct variation equation that relates x and y.
    A. B. y = -11x
    C. y = 11x D.
    Hint

  4.   Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y.
    A. B.
    C. D.
    Hint

  5.   Use the direct variation equation y = 22x to find x when y = 88.
    A. B.
    C. x = -4 D. x = 4
    Hint



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