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GalinKa [24]
3 years ago
6

The equation of line CD is (y−3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD?

Mathematics
1 answer:
alexdok [17]3 years ago
4 0
(y-3)=-2(x-4) \\ y-3 = -2x+8 \\  y=-2x+11
Slope: -2

NOTE: The line perpendicular to line y=mx+b has a slope -\dfrac{1}{m}. 

So your slope is -\dfrac{1}{-2}=\dfrac{1}{2}   -  1 over 2  (Answer a)

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