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    help with equation of a line

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


     

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    0  Views: 345 Answers: 1 Posted: 13 years ago
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      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


       

      13 years ago. Rating: 1
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        Bob/PKB

        How do you do this? Where can I learn the logic?
        commented 13 years ago


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