Analyze Line Graphs

What kind of graph shows change over time?

• bar graph

• line graph

• line plot

• pie graph

What is the general trend of this line graph?

• The more you mow, the less money you make.

• You make the same amount of money regardless of how long you mow.

• The more you mow, the more money you make.

• Mowing is dangerous.

What label is along the y-axis in this graph?

• Copyright 2007

• Lines

• Age in Years

• Number of Teens

When was the greatest amount of shoppers at the store?

• 10am

• 1pm

• 6pm

• 2pm

• 
• 
• 
• 

Which is the graph of y=-x+2?

• A

• B

• C

• D

Between which two times was the greatest increase in number of shoppers?

• 12pm and 1pm

• 1pm and 2pm

• 2pm and 3pm

• 10am and 11am

A restaurant recorded the number of pizzas sold each month for one year. The data are shown in the graph below. During which month did the restaurant sell 40 pizzas?

• March

• May

• July

• August

At what rate did the temperature decrease between the 20th and 25th minutes of the experiment?

• 10°C in 5 min

• 10°C in 10 min

• 5°C in 5 min

• 5°C in 10 min

What is the main purpose of a line graph?

• to compare two things

• to show trends over time

• to have an independent variable

• so you don't have to read words