1.	Which equation has a graph perpendicular to the graph 3y = 2x - 9?
		A.		B.	2x + 3y = 4
		C.	3x + 2y = 7	D.	y = 2x + 5
		Hint
	2.	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.	y = 2x + 8	B.	y = -2x
		C.		D.
		Hint
	3.	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.	3x + 4y = -16
		B.	8y = - 6x
		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.	No, the lines are parallel.
		B.	Yes, the slopes are opposites.
		C.	No, the lines intersect but not at right angles.
		D.	Yes, the slopes are negative reciprocals.
		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