1.	Which integer represents an increase in height of 2 inches?
		A.	4	B.	−4
		C.	−2	D.	+2 or 2
		Hint
	2.	Which integer represents a temperature of 15 degrees below zero?
		A.	0	B.	+15
		C.	15	D.	−15
		Hint
	3.	Which integer represents 8 feet below the surface of the water?
		A.	−4	B.	+8
		C.	−8	D.	8
		Hint
	4.	Which number line shows the graph of −1?
		A.		B.
		C.		D.
		Hint
	5.	QUIZZES The table shows the change in student quiz scores from one week to the next. Which line plot represents the data?
		A.		B.
		C.		D.
		Hint