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Mathematics 12 Online
OpenStudy (anonymous):

HELP PLEASE! HELP! How would I solve?Find the midpoint of segment PQ given P(-2, -5) and Q(-8, 1).

OpenStudy (anonymous):

The midpoint is just the average of the two x-coordinates, average of the two y-coordinates.

OpenStudy (anonymous):

So, the x-coordinate for the midpoint, would be the average of -2 and -8. What is that?

OpenStudy (anonymous):

-10?

OpenStudy (anonymous):

I said the AVERAGE of -2 and - 8.

OpenStudy (anonymous):

-5?

OpenStudy (anonymous):

The average will be the sum of the two numbers, which is -10, and divide that by 2. (Since there are two numbers).

OpenStudy (anonymous):

-5

OpenStudy (anonymous):

Would it be -5, and -2?

OpenStudy (anonymous):

yes. Now find the average of the two y-coordinates.

OpenStudy (anonymous):

-2?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

Awesome! I understand now. Thank you for all your help!

OpenStudy (anonymous):

So the midpoint will have coordinates (-5,-2).

OpenStudy (anonymous):

And it should make sense....because the midpoint is the point EXACTLY in the middle between the two endpoints, P and Q. So taking the average is most appropriate.

OpenStudy (anonymous):

Thank you

OpenStudy (anonymous):

Welcome.

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