1.   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

  2.   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

  3.   Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of
    A. B.
    C. D.
    Hint

  4.   Line segment has endpoints A(-6, -3) and B(2, 1). Line segment has endpoints C(-4, 8) and D(3, -6). Is perpendicular to ? Why?
    A. Yes, the slopes are opposites.
    B. Yes, the slopes are negative reciprocals.
    C. No, the lines are parallel.
    D. No, the lines intersect but not at right angles.
    Hint

  5.   Write the slope-intercept form of an equation for a line perpendicular to the graph of y = -3x + 5 and passes through the x-intercept of that line.
    A. B.
    C. D.
    Hint



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