1.	A quantity with only magnitude is called a _____.
		A.	scalar	B.	vector
		C.	resultant	D.	matrix
		Hint
	2.	The sum of two or more vectors is called _____.
		A.	the resultant	B.	the magnitude
		C.	a scalar	D.	the zero vector
		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 64 miles; about 77 miles	B.	about 50 miles; about 87 miles
		C.	about 77 miles; about 84 miles	D.	about 87 miles; about 50 miles
		Hint
	4.	If both the initial and terminal points of a vector are at the origin, the vector is __________.
		A.	the zero vector	B.	negative
		C.	positive	D.	linearly independent
		Hint
	5.	|| = 14, || = 9, and . Find ||.
		A.	5	B.	126
		C.	17	D.	23
		Hint