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Mathematics 19 Online
OpenStudy (anonymous):

Plz help solving systems by graphing

OpenStudy (anonymous):

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OpenStudy (jhannybean):

Use the method of substitution.

OpenStudy (anonymous):

?

OpenStudy (anonymous):

how would i graph this

OpenStudy (jhannybean):

Oh...hmmm.

OpenStudy (anonymous):

like i understand the rise over run

OpenStudy (anonymous):

but idk how to turn the 3 over 2 in to the graph

OpenStudy (jhannybean):

ok, then solve the second equation for y.

OpenStudy (anonymous):

umm

OpenStudy (anonymous):

idk how

OpenStudy (jhannybean):

so basically subtract -x on each side.

OpenStudy (anonymous):

?

OpenStudy (jhannybean):

So you would get \(y=-x+1\)

OpenStudy (anonymous):

o

OpenStudy (jhannybean):

Yeah, now you have 2 \(y\) -intercepts and 2 slopes.

OpenStudy (jhannybean):

Plot your y intercept on your graph first, and then use your slope to find your second point.

OpenStudy (jhannybean):

Then connect both dots with a straight line.

OpenStudy (jhannybean):

I'll show you the first line, you plot the second.

OpenStudy (jhannybean):

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OpenStudy (anonymous):

?

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