help with equation of a line

help me solve m=7/8 (4,-9)

0  Views: 324 Answers: 1 Posted: 12 years ago

Equation of line:

m = 7/8 (4, -9)

Remember: 4 is x1 and -9 is y1

y - y1 = m(x - x1)

y - (-9) = 7/8(x - 4)

y + 9 = 7/8x - 7/2

- 9              - 9

---------------------------

y    =  7/8x - 25/2

-7/8x    -7/8x

--------------------------

-7/8x + y =  -25/2

Bob/PKB

How do you do this? Where can I learn the logic?

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