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Mathematics 18 Online
OpenStudy (anonymous):

PLEASE HELP! find the midpoint of segment AB: A(-5,-4) B(3, 2)

OpenStudy (tkhunny):

What's the average of -5 and 3?

OpenStudy (anonymous):

-2?

OpenStudy (tkhunny):

No, that's the SUM. What is the AVERAGE? If you had to walk half way from -5 to 3, where would you end up?

OpenStudy (anonymous):

-1?

OpenStudy (tkhunny):

Perfect. Same question with -4 and 2. What's the average of these two values?

OpenStudy (anonymous):

-1 right?

OpenStudy (tkhunny):

Also correct. What is exactly half way between (-5,-4) and (3,2)?

OpenStudy (anonymous):

would that be (-1, -1)?

OpenStudy (tkhunny):

That's all it takes. x-coordinates and y-coordinates separately. Good work.

OpenStudy (anonymous):

yay thanks!

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