1.	A line graph _________________________.
		A.	is best used to show changes over time
		B.	does not have line segments connecting the data points
		C.	must have years labeled on the horizontal axis
		D.	shows only increases in data
		Hint
	2.	Each year, the population of Chicago increases. What would a line graph showing the yearly population of Chicago look like?
		A.	It would be a horizontal line.
		B.	It would go up from left to right.
		C.	It would be a vertical line.
		D.	It would go down from left to right.
		Hint
	3.	The line graph shows the time it takes Kyle to climb the steps in the Statue of Liberty. Predict the total time it will take him to climb 354 steps to the top of the statue, if his rate remains approximately the same.
		A.	12 min	B.	16 min
		C.	20 min	D.	10 min
		Hint
	4.	Predict which of these items the store will sell the most of next month.
		A.	ties	B.	socks
		C.	shirts	D.	shorts
		Hint
	5.	What would you predict your heart rate would be if you exercise 40 minutes per day?
		A.	0	B.	50
		C.	120	D.	10
		Hint