Solve the system by graphing.

Question

x+y=−2
y=13x+2

Thanks jiskha,com :)

Answer 1

I can't graph if for you.
Plot these equaitons, and see where they intercepth.

y=-x-2
y=13x+2

Answer 2

http://www.wolframalpha.com/input/?i=+x%2By%3D%E2%88%922+%2C+y%3D13x%2B2+

This is not a good example to use as "solve by graphing". It would be hard to tell that the x = -2/7 and y = -12/7 without doing the actual work.