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Mathematics 14 Online
OpenStudy (anonymous):

May you help me with this? O.o @jim_thompson5910

jimthompson5910 (jim_thompson5910):

something is cut off

jimthompson5910 (jim_thompson5910):

see where it says "is congruent to DC by _______" ?

OpenStudy (anonymous):

Yeah, I noticed it earlier- it's a typo :/ >.<

jimthompson5910 (jim_thompson5910):

so it's a typo on their end?

OpenStudy (anonymous):

Yes >.< and it's vital information!

jimthompson5910 (jim_thompson5910):

agreed

jimthompson5910 (jim_thompson5910):

so you'll have to contact your teacher about it

OpenStudy (anonymous):

I thought I would just guess -.- , unfortunately..

jimthompson5910 (jim_thompson5910):

I'd just skip and come back to it when the teacher responds

OpenStudy (anonymous):

Yeah, do you think you could help me on this one?

jimthompson5910 (jim_thompson5910):

how far did you get with it?

OpenStudy (anonymous):

It's intimidating really.. Idk how to go about it.

jimthompson5910 (jim_thompson5910):

yeah it's a lot

jimthompson5910 (jim_thompson5910):

if A,B,C were given in actual coordinates, would that be easier?

OpenStudy (anonymous):

yes, I think so.

jimthompson5910 (jim_thompson5910):

so replace x1,y1,x2 with values and use those formulas they mention

jimthompson5910 (jim_thompson5910):

say x1 = 3 y1 = 7 x2 = 5

OpenStudy (anonymous):

So far I think it's option B.

jimthompson5910 (jim_thompson5910):

why do you think that?

OpenStudy (anonymous):

The last sentence.

jimthompson5910 (jim_thompson5910):

hmm it might be B just based on the fact that everything else is eliminated C is correct because you do use that to get points D,E, so that's not a flaw

jimthompson5910 (jim_thompson5910):

DE and AC have slope of 0, so A is out

jimthompson5910 (jim_thompson5910):

choice D is wrong because you use the midpoint formula as C says

jimthompson5910 (jim_thompson5910):

however, I'm not fully convinced that B is it, so idk

OpenStudy (anonymous):

Therefore, we have to contrast options B and C based on the information given..

jimthompson5910 (jim_thompson5910):

I eliminated C though (see above)

OpenStudy (anonymous):

No, you eliminated B - well you said you were "unsure" if "B" is it..

jimthompson5910 (jim_thompson5910):

well B is the only thing left when I eliminated the others but I'm not fully convinced though

OpenStudy (anonymous):

:/ alright.

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