Math

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if the line containing the points (a,3) and (b,2) has a slope of 1/7, then a-b=

  • Math -

    Slope :

    m = ( y2 - y1 ) / ( x2 - x1 )

    In this case :

    x1 = a

    x2 = b

    y1 = 3

    y2 = 2


    m = ( y2 - y1 ) / ( x2 - x1 ) = 1 / 7

    ( 2 - 3 ) / ( b - a ) = 1 / 7

    - 1 / ( b - a ) = 1 / 7

    Reciprocal value :

    - ( b - a ) = 7

    - b + a = 7

    a - b = 7

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