1.   Which equation has a graph that is parallel to the graph of 4x - 2y = 1?
    A. B.
    C. D. y = 2x - 3
    Hint

  2.   Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is
    A. B.
    C. D.
    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.   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. No, the lines intersect but not at right angles.
    B. Yes, the slopes are opposites.
    C. Yes, the slopes are negative reciprocals.
    D. No, the lines are parallel.
    Hint

  5.   Write the slope-intercept form of an equation for a line that passes through (-1, 0) and is perpendicular to the graph of 3x – 5y = 20.
    A. B.
    C. D.
    Hint