1.	What is the first step in solving the matrix equation
		A.	Multiply each side of the matrix equation by
		B.	Find the inverse of
		C.	Multiply each side of the matrix equation by the identity matrix.
		D.	Divide each side of the matrix equation by
		Hint
	2.	Solve using inverse matrices.
		A.	(4, 4)	B.	(4, -4)
		C.	(-4, 0)	D.	(-4, 4)
		Hint
	3.	In a sport similar to football, there are two ways to score: by the run or by the pass. Team A scored 244 points, while Team B scored 273 points. Team A scored by the pass 21 times, and by the run 11 times. Team B scored by the pass 27 times, and by the run 6 times. How many points is each score worth?
		A.	pass = 7 pointsrun = 14 points
		B.	pass = 5 pointsrun = 23 points
		C.	pass = 5 pointsrun = 9 points
		D.	pass = 9 pointsrun = 5 points
		Hint
	4.	Solve the system of equations 7x – 14y =4, 3x – 6y =17.
		A.	(2, 1)	B.	(3, –2)
		C.	no unique solution	D.	infinite solutions
		Hint
	5.	Suppose a matrix equation of a system of equations does not have a unique solution. What cannot be true?
		A.		B.
		C.	is undefined	D.	ad – bc ? 0
		Hint