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Mathematics 18 Online
OpenStudy (anonymous):

What are the coordinates of the midpoint between the points (-4, -9) and (-8, -5)?

OpenStudy (anonymous):

Do you know the midpoint formula?

OpenStudy (anonymous):

no i don't know it

OpenStudy (anonymous):

That's how it looks.

OpenStudy (anonymous):

So, (-4 + -8) divided by 2 is how you find the X variable.

OpenStudy (anonymous):

And (-9 + -5) divided by 2 is how you find the Y variable.

OpenStudy (anonymous):

so its -8

OpenStudy (anonymous):

-8,-7

OpenStudy (anonymous):

Let me check your answer, hold on.

OpenStudy (anonymous):

Yes, that's the midpoint. Good job.

OpenStudy (anonymous):

oh ok then what do i do after that

OpenStudy (anonymous):

(-4, -4) , (-6, -7) (-6, -4) ,(-4, -7) these are my answer chocies

OpenStudy (anonymous):

Hmmmmm. Hold on a minute.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Okay, so I know the problem. It seems that we both relied on the google calculator, perhaps? Haha.

OpenStudy (anonymous):

First, add the numbers with a calculator. Then when you get the answer, divide.

OpenStudy (anonymous):

For example...

OpenStudy (anonymous):

-4 + -8 is -12. then divide it by 2. This leaves us with -6 as the x variable.

OpenStudy (anonymous):

Try finding the Y variable.

OpenStudy (anonymous):

(-6,-7)

OpenStudy (anonymous):

-9 + -5 = -14. Divided by 2, you get -7. So the answer is (-6 , -7) Sorry for the inconvenience. :/

OpenStudy (anonymous):

Good job!

OpenStudy (anonymous):

@Kaji thank you

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