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Westkost [7]
3 years ago
11

If CD has endpoints (–3, 4) and (5, 2), what are the coordinates of its midpoint?

Mathematics
1 answer:
Aleks [24]3 years ago
5 0
You can read it of the graph which is (1,3) or also calculate it with vectors:

calculate the vector CD:
(5-(-3),2-4)=(8,-2)
to calculate the midpoint you need half of the vector length:
(8,-2)/2=(4,-1)
add the vector to C:
(-3,4)+(4,-1)=(1,3)=midpoint of CD

so it's the third option
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