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A midpoint of the line joining a and b has coordinates (5,7) a is the point (3,5) work out the coordinates of b

A midpoint of the line joining a and b has coordinates (5,7) a is the point (3,5) work-example-1

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4 votes
Use the distance formula to find the length of am, and then use the slope and distance to estimate the coordinates of point b.
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