1.	Which matrix can be used to reflect a figure in the y-axis?
		A.		B.
		C.		D.
		Hint
	2.	To dilate a figure on the coordinate plane, use a _____ to multiply the figure’s vertex matrix.
		A.	dilation matrix	B.	multiple
		C.	reduction matrix	D.	scalar
		Hint
	3.	The vertex matrix of a triangle is . Find the vertex matrix of its image after a reflection in the origin.
		A.		B.
		C.		D.
		Hint
	4.	Use a matrix to find the coordinates of the endpoints of the image of with A(-6, 6) and B(9, -8) after a reflection in the line y = x.
		A.		B.
		C.		D.
		Hint
	5.	Find the coordinates of the image of with vertex matrix under a rotation 180° counterclockwise about the origin.
		A.		B.
		C.		D.
		Hint