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Tutor: Alice

# Line graphs

## In a nutshell

Line graphs are a visual way to show changes to a measurement over time.

##### Example 1

This line graph shows the change in temperature of an icy glass of of water left in the sun.

Temperature of water left in the sun over time

## ​​Interpreting line graphs

Line graphs have the thing being measured on the $y$​-axis and the time on the $x$​-axis. To read the example above, pick a point and move down to see the time, or across to see the temperature.

Tip: Remember the $y$​-axis is the vertical one (side) and the $x$​-axis is the horizontal one (bottom).

##### Example 2

In the above line graph, after $6$ minutes the temperature is $8\degree C$.

## Drawing line graphs

Drawing a line graph is very simple:

#### PROCEDURE

 1 Draw and label the axes. 2 Plot each individual point on the graph using a cross. 3 Join each point together with a line.

## FAQs - Frequently Asked Questions

### What is a line graph?

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