1.	Which pair of lines graphed below are parallel?
		A.	l and n	B.	k and n
		C.	k and m	D.	l and m
		Hint
	2.	The graph of a linear function is _______.
		A.	None of these is correct	B.	a curved line
		C.	a straight line	D.	a horizontal line only
		Hint
	3.	Find the equation that has direct variation.
		A.	y = 4x	B.	y = 0.8x + 9
		C.	y = 5x + 1.3	D.	y = –3x – 1
		Hint
	4.	What is the equation of a line that has a slope of 4 and passes through (6, 3)?
		A.	y = 4x – 3	B.	y = 4x – 7
		C.	y = 4x – 21	D.	y = 4x – 27
		Hint
	5.	What is the equation of a line that has a slope of –1 and passes through (–2, 0)?
		A.	y = –2x + 1	B.	y = –x – 1
		C.	y = –x + 2	D.	y = –x – 2
		Hint
	6.	Which three points are collinear?
		A.	(–1, 1), (2, 3), (5, 2)
		B.	(3, 1), (4, 0), (–1, 2)
		C.	(–5, –3), (–2, 3), (2, –4)
		D.	(4, –3), (2, –2), (–4, 1)
		Hint