1.	Write the ordered pair that represents the vector from X(-4, 7) to Y(3, -4).
		A.		B.
		C.		D.
		Hint
	2.	A vector that has a magnitude of one is called a _____.
		A.	magnitude	B.	scalar
		C.	unit vector	D.	resultant
		Hint
	3.	Write as a sum of unit vectors for A(3, -1) and B(8, 6).
		A.		B.
		C.		D.
		Hint
	4.	A vector that is represented by an ordered pair can ________ be written as the sum of unit vectors.
		A.	sometimes	B.	always
		C.	usually	D.	never
		Hint
	5.	Let C = (4, 17), D. = (-11, 2). Write as a sum of unit vectors.
		A.		B.
		C.		D.
		Hint