1.	Find the inner product of and if and .
		A.	-8	B.	14
		C.	-14	D.	-12
		Hint
	2.	The cross product of two vectors is _______.
		A.	a dot product	B.	not a vector
		C.	perpendicular to both vectors	D.	parallel to both vectors
		Hint
	3.	Evaluate if and .
		A.	-39	B.	60
		C.	44	D.	21
		Hint
	4.	Which pair of vectors is perpendicular?
		A.		B.
		C.		D.
		Hint
	5.	Find if and .
		A.		B.
		C.		D.
		Hint