1.   Which equation has a graph perpendicular to the graph 3y = 2x - 9?
    A. 2x + 3y = 4 B. 3x + 2y = 7
    C. D. y = 2x + 5
    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 = 4x + 3 B.
    C. y = -2x + 1 D. y = 2x
    Hint

  3.   Choose the slope-intercept form of the equation of the line that passes through (-2, 4) and is perpendicular to the graph of 2x + y = -20.
    A. B. y = 2x + 8
    C. D. y = -2x
    Hint

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

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