Posted by **Diana** on Wednesday, October 7, 2009 at 3:46pm.

how to plot the equation and find the y intersect of y + x = -10

thank you

- Algebra -
**jim**, Wednesday, October 7, 2009 at 6:53pm
To find the y-intersect, you can just set x=0, and see what's left:

y + x = -10

y + 0 = -10

y = -10

So (0, -10) is your intersect.

This is a straight line, so all you have to do is find two points, and use a ruler to draw a line through them. Let's find the x-intercept as our other point, so we set y = 0 and read it off:

y + x = -10

0 + x = -10

x = -10

So (-10, 0) is another point on the line.

Now draw the two points, and just draw the line that runs through them both.

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