1.	Write a matrix for the system of equations.
		A.		B.
		C.		D.
		Hint
	2.	What is the first step in solving the matrix equation
		A.	Multiply each side of the matrix equation by
		B.	Multiply each side of the matrix equation by the identity matrix.
		C.	Divide each side of the matrix equation by
		D.	Find the inverse of
		Hint
	3.	Solve using inverse matrices.
		A.	(-4, 0)	B.	(4, -4)
		C.	(-4, 4)	D.	(4, 4)
		Hint
	4.	Which of the following is a matrix equation for the system 5x – 3y =11, –3x + 2y = 7?
		A.
		B.
		C.
		D.
		Hint
	5.	Suppose a matrix equation of a system of equations does not have a unique solution. What cannot be true?
		A.	is undefined	B.
		C.	ad – bc ? 0	D.
		Hint