1.	Express in simplest form.
		A.		B.
		C.		D.
		Hint
	2.	Find .
		A.		B.
		C.		D.
		Hint
	3.	Solve .
		A.	-2 or 7	B.	5
		C.	-2	D.	-2 or
		Hint
	4.	Solve the equation.
		A.	x = 2	B.	x = –2
		C.	x = 3	D.	x = –3
		Hint
	5.	Solve the equation.
		A.	z = 2	B.	z = –2
		C.	z = –5	D.	z = 5
		Hint