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Author:
Hannah S

I hope that people learn how to find and graph x and y intercepts after looking at my packet.

In my packet, I give definitions necessary for understanding this chapter. I also give examples of how to solve an equation for finding x and y intercepts and how to graph them.

I also included a game that would help the viewer understand this lesson more.

There are two different forms of media in this packet, text and slideshow.

Tutorial

x-intercept: the point where the line crosses the x-axis

y-intercept: the point where the line crosses the y-axis

To find the x-intercept, find the value of x when y=0 in an equation. (Substitute 0 for y)

To find the y-intercept, find the value of y when x=0 in an equation. (Substitute 0 for x)

Example:

Find the x-intercept and the y-intercept of the graph 3x+5y=30

3x+5(0)=30 3(0)+5y=30

3x=30 5y=30

x=10 y=6

Graph the equation 2x+4y=12

2x+4(0)=12 2(0)+4y=12

2x=12 4y=12

x=6 y=3