Line Graph

Definition of Line Graph

Line graph is a graph that uses line segments to connect data points and shows changes in data over time.

More About Line Graph

    Multiple Line Graph: Multiple line graph is a line graph that shows changes in data over time for more than one category.

Video Examples: Learning About Line Graphs


Example of Line Graph

    The line graph shows the annual income of a person over a period of 7 years
      xample of Line Graph

Solved Example on Line Graph

Ques: Irena recorded her test scores in a line graph as shown. What is Irena's score on the Math test?
    example of Line Graph

    Choices:
    A. 50
    B. 80
    C. 60
    D. 40
    Correct Answer: C

Solution:

    Step 1: The height of each point in the line graph represents Irena's score on the particular test.
    Step 2: Note the height of the point representing Irena's score on the Math test.
    Step 3: The height of the point is 60.
    Step 4: So, Irena scored 60 on the Math test.