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Solving a System of Linear Equations Using Inverses

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Uploaded by on Sep 8, 2008

Solving a System of Linear Equations Using Inverses - Here I solve a 2 x 2 system using inverses (which I find using determinants).

For more free math videos, visit http://PatrickJMT.com

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Education

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Standard YouTube License

  • likes, 13 dislikes

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Uploader Comments (patrickJMT)

  • but the commutative property doesn't work for matrices, a 2X1 matrix cant be multiplied by a 2X2 because the columns in teh first dont match the rows in the second. UGGGHHHH IM CONFUSED

  • @zyzxx1019 yep, that is correct

  • thanks! your lessons are so much better than my classrooms. Being the only freshman in an honors algebra II class kinda sucks! (:

  • @Daliamaya3211 happy that i can help you : )

  • I am going to ask my mom's permission to donate to your website (; YOU ARE SUPER HELPFUL! This is my first year in university. I NEED YOU, PATRICK!

  • @starlovecross thanks : ) does she have $1,000,000 to spare ? : )

Top Comments

  • Why can't you work at our school? You could be the teacher of tons of poor little high school children who aren't learning math right cause our teachers suck :(

  • @enrichedd that's the spirit

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All Comments (135)

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  • cool vid dude..

    can you upload a problem of 4X4 ,5X5 or 6X6..??

    it's a bit simple if its just 2X2 or 3X3 ...

  • yeah im in 8th rade taking algebra 2... i guess im kind of a smart ass cause no one else is taking it in my entire middle school, but i only get 2 classes per week as apposed to other who have 6 per week... I'm actually keeping ahead of other math classes, cause i do a lot at home... I just wanted to say THANKS cause these online vids are so much more helpful than the textbook...

  • PLEASE BECOME MY ALGEBRA 2 TEACHER

  • ty so much this helped a lot! Im in advanced algebra 2 at my school and my teacher sucks! now she's teaching us to encode and decode messages - -

  • sir ! at the last where u left it means completed but it can also be simplifi further...,

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