The slopes of the line which passes through the origin, and the mid-point of the line segment joining the points. P(3, – 4) and Q (– 5, – 2) is

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-3

-1

answer is A.

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Detailed Solution

Coordinate of the mid-point of the line segment joining P and Q are 3−52,−4−22=(−1,−3) so slope of the required line is 0−(−3)0−(−1)=3

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