1.   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.
    B. 3x + 4y = -16
    C.
    D. 8y = - 6x
    Hint

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

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

  4.   Which three points are collinear?
    A. (–1, 1), (2, 3), (5, 2)
    B. (4, –3), (2, –2), (–4, 1)
    C. (–5, –3), (–2, 3), (2, –4)
    D. (3, 1), (4, 0), (–1, 2)
    Hint

  5.   Write the equation in slope-intercept form.
–6x = –10 – 2y
    A. –6x + 2y + 10 = 0
    B. y = 3x – 5
    C. y + 8 = 3(x + 1)
    D. y = 3x + 8
    Hint



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