1.	Find the value of .
		A.	3	B.	17
		C.	-17	D.	-3
		Hint
	2.	Find the value of .
		A.	24	B.	-24
		C.	-28	D.	28
		Hint
	3.	Which of the following shows the system of equations using a matrix equation?
		A.		B.
		C.		D.
		Hint
	4.	Find the value of the determinant .
		A.	-43	B.	-25
		C.	-3	D.	-29
		Hint
	5.	Solve this problem using matrix equations.How many liters of 0.25 solution and 0.40 solution should be combined to make 10 liters of 0.35 solution?
		A.	3.33 L of the 0.25 solution and 6.66 L of the 0.40 solution.
		B.	4.5 L of the 0.25 solution and 5.5 L of the 0.40 solution.
		C.	6.66 L of the 0.25 solution and 3.33 L of the 0.40 solution.
		D.	2.5 L of the 0.25 solution and 7.5 L of the 0.40 solution.
		Hint