1.   A line of best-fit should not be drawn for which of the following graphs.
    A. B.
    C. D.
    Hint

  2.   Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6?
    A. y = 2x B. y = -2x + 1
    C. D. y = 4x + 3
    Hint

  3.   Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation does not have a graph that is a line parallel to the other three?
    A. 3x + 4y = -16
    B.
    C. 8y = - 6x
    D.
    Hint

  4.   Which pair of lines graphed below are parallel?
   
    A. k and m B. l and n
    C. l and m D. k and n
    Hint

  5.   Use the scatter plot to predict the mileage of an engine with 250 horsepower.
   
    A. 25 B. 20
    C. 12 D. 10
    Hint



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