Midpoint of segment

Point A has coordinates [4; -11] and the midpoint of the segment AB is the point [17; -7]. What are the coordinates of point B?

Correct answer:

Bx =  30
By =  -3

Step-by-step explanation:

A=(4,11) S=(17,7) S=2A+B 2 S=A+B B=2SA  Bx=Bx=2 SxAx=2 174=30
By=By=2 SyAy=2 (7)(11)=3



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Line slope calculator is helpful for basic calculations in analytic geometry. The coordinates of two points in the plane calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of the segment, intersections of the coordinate axes, etc.

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