1.	Which pair of lines graphed below are parallel?
		A.	k and n	B.	l and m
		C.	k and m	D.	l and n
		Hint
	2.	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
	3.	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.	No, the lines are parallel.
		C.	Yes, the slopes are opposites.
		D.	Yes, the slopes are negative reciprocals.
		Hint
	4.	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
	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