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    help with equation of a line

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


     

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

    1 Answer

    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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