1. The slope of line k is 4/3 . What is the perpendicular slope? a. 4/3
b. -3/4
c. -3
d. 4
2. Which equation represents a line that is parallel to the line graphed below and passes through (1, 4)?
a. y = 1/3x + 11/3
b. y = -1/3x + 13/3
c. y = 3x + 7
d. y = 3x + 1
3. Which equation is perpendicular to the line y=3x + 12 and passes through the point (6, 2)?
a. y = 1/3x + 4
b. y = -3x - 16
c. y = -1/3x + 4
d. y = -3x
4. Line p has a slope of -1. If Line m contains the point (2, 3), what other point must lie on Line m for the lines to be parallel?
a. (4, 7)
b. (1, 4)
c. (-3, -10)
d. (3, -2)
5. If line p has a slope of zero, and line m has an undefined slope, what can you conclude about line p and line m?
a. line p is a vertical line and line m is a horizontal line therefore the two lines are perpendicular.
b. line p is a horizontal line and line m is a vertical line therefore the two lines are perpendicular.
c. line p and line m are both vertical lines therefore the two lines are parallel.
d. line p and line m are both horizontal lines therefore the two lines are parallel.
6. Line r is represented by the equation y=5x-2. What would be the slope of a line parallel to line r and the slope of a line perpendicular to line r?
a. Parallel: -5, Perpendicular: -1/5
b. Parallel: 5, Perpendicular: -1/5
c. Parallel: 5, Perpendicular: -5
d. Parallel: -1/5, Perpendicular: -5