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Points M(-5,2) and N(5,8) lie on the xy - plane. What is the midpoint of line segment MN? A. (5,0) B. (0,5) C. (0, (136^(1/2))/2) D. (3/2,0) E. (1,5)
The midpoint of a segment is exactly halfway between its endpoints and it's location can be found using the Midpoint Theorem, which states: • The x-coordinate of the midpoint is the average of the x-coordinates of the two endpoints. • Likewise, the y-coordinate is the average of the y-coordinates of the endpoints.
So, x=(-5+5)/2=0 and y=(2+8)/2=5 --> coordinates of the midpoint are (0, 5).
Re: Points M(-5,2) and N(5,8) lie on the xy [#permalink]
16 Jun 2015, 00:45
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