1.	A quantity with only magnitude is called a _____.
		A.	matrix	B.	vector
		C.	scalar	D.	resultant
		Hint
	2.	The magnitude of the zero vector is _____.
		A.	any negative number	B.	any positive number except 1
		C.	0	D.	1
		Hint
	3.	A ship leaving port sails for 100 miles in a direction 40° north of due east. Find the magnitude of the vertical and horizontal components.
		A.	about 50 miles; about 87 miles	B.	about 87 miles; about 50 miles
		C.	about 64 miles; about 77 miles	D.	about 77 miles; about 84 miles
		Hint
	4.	If both the initial and terminal points of a vector are at the origin, the vector is __________.
		A.	linearly independent	B.	the zero vector
		C.	negative	D.	positive
		Hint
	5.	If a vector has its initial point at the origin, it ________.
		A.	is in standard position	B.	has a magnitude of zero
		C.	is a scalar	D.	has no direction
		Hint