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How do you find the straight line equation given only that the slope is k passing through a point 3 and 2k on the line?
Wiki User
∙ 13y ago
Suppose P = (x, y) are the coordinates of any point on the line.
Then the segment of the line joining P to the point (3, 2k) has slope k
That is,
(y - 2k) / (x - 3) = k
Simplifying, y - 2k = kx - 3k
or y = kx - k
equivalently, y = k(x - 1)
Wiki User
∙ 13y ago
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