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Mathematics 9 Online
OpenStudy (anonymous):

slope of M(9,6); N(1,4) and state the slope of the line perpendicular to MN. no decimal answers thank you :)

OpenStudy (amistre64):

subtract M from N and stack ys over xs

OpenStudy (amistre64):

or N-M ... either way

OpenStudy (anonymous):

slope = change in y divide by change in x slope: (y1-y2)/(x1-x2)

OpenStudy (anonymous):

the slope of the line perpendicular to MN will be the negative slope that you'll find.

OpenStudy (amistre64):

negative reciprocal that is

OpenStudy (anonymous):

ok :) thank you for the correction

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