1.	The roots of a quadratic equation can be found by finding the __________ of the related quadratic function.
		A.	vertex	B.	y-intercepts
		C.	x-intercepts	D.	equation of the axis of symmetry
		Hint
	2.	The roots of the quadratic equation 2x2 + 4x – 30 = 0 are ___________.
		A.	3 and 5	B.	–3 and –5
		C.	–3 and 5	D.	3 and –5
		Hint
	3.	Find two numbers whose sum is 1 and whose product is –72.
		A.	–8 and –9 or 8 and 9	B.	–8 and 9
		C.	–8 and –9	D.	8 and –9
		Hint
	4.	The roots of the quadratic equation x2 – 6x – 16 are __________.
		A.	6 and 16	B.	-6 and -16
		C.	2 and –8	D.	-2 and 8
		Hint
	5.	Find two numbers whose sum is 15 and whose product is 36.
		A.	6 and 9	B.	5 and 10
		C.	4 and 8	D.	3 and 12
		Hint