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ruslelena [56]
3 years ago
10

Given two points m and n on the coordinate plane, find the slope of line mn, and state the slope of the line perpendicular to li

ne mn: m(9,6) n(1,4)
Mathematics
1 answer:
ololo11 [35]3 years ago
3 0
The slope of the line MN where M (9,6) and N (1,4) can be obtained by obtaining the rate of the rise over the run. This is shown below:

(y2 - y1)/(x2 - x1) = (4 - 6)/(1 - 9) = (-2)/(-8)
m1 = 1/4

The slope of the line perpendicular to line MN can be obtained by taking the negative reciprocal of the slope of line MN.

m1 = 1/4
m2 = -1/m1 = -1/(1/4) = -4

Therefore, the slope of the line perpendicular to line MN is -4.
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