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Mathematics 10 Online
OpenStudy (anonymous):

......

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

OpenStudy (anonymous):

Use matrices to solve ths system.

jimthompson5910 (jim_thompson5910):

you can use a calculator to get this http://www.wolframalpha.com/input/?i=2x%2B3y%3D4%2C5x%2B8y%3D11

OpenStudy (anonymous):

how would i explain what my answer is?

jimthompson5910 (jim_thompson5910):

oh you need to show steps?

OpenStudy (anonymous):

well yeah & also my answer. But how would i do that in writting

jimthompson5910 (jim_thompson5910):

k one sec

OpenStudy (anonymous):

k

jimthompson5910 (jim_thompson5910):

have you heard of row reduction?

OpenStudy (anonymous):

no

jimthompson5910 (jim_thompson5910):

hmm ok

jimthompson5910 (jim_thompson5910):

maybe the lesson went over something else

jimthompson5910 (jim_thompson5910):

how about finding the inverse?

jimthompson5910 (jim_thompson5910):

if you know how to find the inverse, then I would go with that

OpenStudy (anonymous):

I mean idk :(

jimthompson5910 (jim_thompson5910):

ok trying to think of what would be best

OpenStudy (anonymous):

What would my answer be ?

jimthompson5910 (jim_thompson5910):

what that link shows

jimthompson5910 (jim_thompson5910):

http://www.wolframalpha.com/input/?i=2x%2B3y%3D4%2C5x%2B8y%3D11

jimthompson5910 (jim_thompson5910):

but getting there will depend on which method you're familiar with

OpenStudy (anonymous):

okay which one imput , solution , alternate form?

jimthompson5910 (jim_thompson5910):

solution

jimthompson5910 (jim_thompson5910):

lol it's not a trick or anything, you want the solution, so it's in the solution section

OpenStudy (anonymous):

Thank you

jimthompson5910 (jim_thompson5910):

np

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