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Mathematics 12 Online
OpenStudy (anonymous):

find the length of a line segment if the endpoints are are (-2, 5) and (6, -4)

OpenStudy (anonymous):

Use distance formula \[d=\sqrt{(x _{2}-x _{2})^{2}+(y _{2}-y _{1})^{2}}\]

OpenStudy (anonymous):

Do you understand how to plug everything in?

OpenStudy (anonymous):

not really. The answers are in pi :O help me

OpenStudy (anonymous):

Let me see the answers so I can see if I can figure this out.

OpenStudy (anonymous):

actually.... i mixed it up. Theyre in square roots. 13 17 72 145

OpenStudy (anonymous):

Oh yes then this should be easy. Want me to show you how to do it.

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Okay so let's plug in our points. \[d=\sqrt{(x _{2}-x _{2})^{2}+(y _{2}-y _{1})^{2}}\] \[d=\sqrt{(6+2)^{2}+(-4-5)^{2}}\]

OpenStudy (anonymous):

\[d=\sqrt{8^{2}+-9^{2}}\] \[d=\sqrt{64+81}\] \[d=\sqrt{145}\]

OpenStudy (anonymous):

omggggg thank you so much! i have so many questions too! If you dont mind!

OpenStudy (anonymous):

Sure. But just know I'm not going to do that for all of them, you have to try to attempt the work also.

OpenStudy (anonymous):

yessssssssssss

OpenStudy (anonymous):

how do you find secants?

OpenStudy (anonymous):

secant line?

OpenStudy (anonymous):

What is the question?

OpenStudy (anonymous):

I personally have never heard of it before. But google might be able to help you.

OpenStudy (anonymous):

I looked it up on google, and I got no help.

OpenStudy (anonymous):

Sorry I can't help.

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