Find the slope of any line perpendicular to the line passing through (2,2) and (9,5)

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Dakota Murillo · Accepted Answer

the slope of the line passing through the given pts is                     5        -        2                    9        -        2              =          3      7      negative inverse of this slope will be the slope of the line perpendicular to the line joining the given pts.Hence the slope is       -          7      3

Brandon White · Accepted Answer

With more detailsThe standard form equation for a straight line graph is:y=mx+cWherex is the independent variable (may take on any value you wish)y is the dependant variable (its value deponds an what value you give x)c is a constantm is the gradient (slope)To find the gradient of the given line      m                               =                                                       y          2                -                  y          1                                      x          2                -                  x          1                      =                  5        -        2                    9        -        2              =          3      7      Determine the slope of any line perpendicular to thisGiven that the first line had gradient       m    =          3      7      and that the gradient of the perpendicular line is             (      -      1      )        ×          1      m      Then we have:             (      -      1      )        ×          7      3        =    -          7      3

Find the slope of any line perpendicular to the line passing through (2,2) and (9,5)

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