1.	What is the value of the determinant?
		A.	-3	B.	-8
		C.	-12	D.	12
		Hint
	2.	Use Cramer's rule to find the value of x in the system of equations.
		A.		B.
		C.		D.
		Hint
	3.	Use Cramer's rule to find the value of n in the system of equations.
		A.		B.	-22
		C.		D.
		Hint
	4.	Find the value of the determinant of
		A.	64	B.	6
		C.	2	D.	–32
		Hint
	5.	Solve the system –2x – 4y = 7, 3x + 5y = 9.
		A.	(71, –39)	B.
		C.		D.
		Hint