1.   Determine which equation represents a function.
    A. x = 4 B. y = -2x + 1
    C. x = y2 - 1 D.
    Hint

  2.   What is the x-intercept of the graph below?
   
    A. -3 B. -2
    C. 2 D. 3
    Hint

  3.   Which equation is graphed below?
   
    A. x - 3y = -6 B. 3x - y = -6
    C. 3x + y = 6 D. x + 3y = 6
    Hint

  4.   Given find ?
    A. –12 B. 10
    C. –9 D. 9
    Hint

  5.   Given find
    A. 7 B. –7
    C. –1 D. 1
    Hint



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