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OpenStudy (anonymous):
PB has endpoints at -2 and 12. What is the coordinate of its midpoint?
OpenStudy (anonymous):
|dw:1379623155570:dw|
OpenStudy (anonymous):
Please teach me how to solve this, don't just give answers. Thanks
hartnn (hartnn):
to get the midpoint, just take the average of endpoints
add them and divide by 2 ?
OpenStudy (anonymous):
that would equal 5
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hartnn (hartnn):
yes, 5 is your correct midpoint :)
hartnn (hartnn):
to get the mid-point , you always take average, whether the point has one co-ordinate or 2
when points are in x,y plane, points have form (x1,y1) and (x2,y2)
their mid point will be ((x1+x2) / 2 , (y1+y2) /2)
just the average of individual co-ordinates :)
any doubts ?
OpenStudy (anonymous):
That makes sense :)
would you mind helping me with 2 more problems?
OpenStudy (anonymous):
@hartnn
hartnn (hartnn):
sure, no problem
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OpenStudy (anonymous):
The midpoint of CD is E(-1,0). One endpoint is C(5,2). What are the coordinates of the other endpoint?