1.   If y varies directly as x and y = 6 when x = 2, find y when x = 5.
    A. B. 6
    C. 15 D. 2.4
    Hint

  2.   If p varies inversely as q and p = -8 when q = 2, find p when q = -4.
    A. 4 B. -4
    C. 16 D. -16
    Hint

  3.   Simplify
    A. B.
    C. D.
    Hint

  4.   Simplify .
    A. B.
    C. D.
    Hint

  5.   Assuming that , determine whether is sometimes, always, or never true.
    A. cannot be determined from given information B. always
    C. sometimes D. never
    Hint

  6.   Find the slope of the line that passes through A and B.
    A. B.
    C. D.
    Hint

  7.   The graph of has a hole at which point?
    A. (-4, -8) B. (4, 8)
    C. (-4, 8) D. (4, -8)
    Hint

  8.   In a certain job, the function represents the amount of hours worked x in relation to the amount of stress f(x) felt by the workers. For what values of x does this graph have meaning?
    A. for B. for and x < 40
    C. for all values of x D. for and x > 40, because stress is a non-negative quantity
    Hint

  9.   When will it be true that ?
    A. only when x is not an integer B. never
    C. only when x is an integer D. always
    Hint

  10.   What type of function is the following?
   
    A. quadratic B. rational
    C. square root D. direct variation
    Hint

  11.   Solve .
    A. < x < B. x >
    C. x < D. 0 < x <
    Hint

  12.   Solve .
    A. 0 and 7 B.
    C. and 7 D. 7
    Hint



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