# Can anyone teach me what is a graph and how it works?thank you..

##### 1 Answer

Feb 11, 2016

Sample plot of line

Notice Slope

#### Explanation:

First step: Express the given equations in the slope-intercept form.

Here

Slope of a line is

The intercept is the point where the line intersects the

Second step: Plot both the lines on a graph paper.

Third step: Locate the point of intersection of both lines. Note down point

To learn how to plot straight line on a graph, one can make use of **Graph** tool given at the top of Answer box.

graph{y=x-4 [-10.14, 10.13, -5.07, 5.07]}