Line Graphs. Lets look at some average temperatures from some cities around the world…. Fayetteville, Arkansas. Sydney, Australia. New York, New York. Pretoria, South Africa. Tokyo, Japan. Some Questions…. Which place is the warmest in July? Where is it 71 degrees in June?
A line graph is used to display information that shows trends. They often show how something has changed over a period of time.
Line graphs are made up of points on the graph that are connected by line segments.