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SVEN
[57.7K]
3 years ago
5
AB contains the points A(7, -11) and B(8,17). find the slope of a line perpendicular to AB
Mathematics
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2
answers:
Marizza181
[45]
3 years ago
7
0
Perpendiculare lines have slopes that multiply to -1
find slope
given (x1,y1) and (x2,y2) the slope would be (y2-y1)/(x2-x1)
so
given
(7,-11) and (8,17)
slope=(17-(-11))/(8-7)=(17+11)/1=28
28 times what=-1
divide by 24
what=-1/28
slope is -1/28
answer is B
Send
Molodets
[167]
3 years ago
6
0
If a line were to be perpendicular from said points, the slope of it would be -1/28. Hope this helps!
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