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September 15, 2014

September 15, 2014

Posted by **Anna** on Sunday, December 20, 2009 at 12:42pm.

- Math -
**MathMate**, Sunday, December 20, 2009 at 1:03pmThe line passing through (x1,y1) and parallel to y=mx+b

is (y-y1)=m(x-x1)

Substitute (5,1) for (x1,y1) and y=3x-1 for y=mx+b

gives

y-1=3(x-5)

Rerranging

y=3x-14

Check

1=3x-14

1=3(5)-14

1=1 OK

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