this week we learned about matrices. it is a total review from algebra 2. this section was very easy and i remembered it from last year. we learned all over again how to add and subtract which was the first section and the second section was multiplying the matrices. when you multiply matrices you do row by column. also when you do matrices you have to make sure they match. i give you a few examples.
2x1, 1x4 you can add, subtract, and multiply these because the ones are the same number.
4x2, 5x1 you cant do anything with this one because the 5 and the 2 are different numbers and it just wont workout.
i hope this helped a few people out with matrices and if you need help dont be afraid to ask me. i actually know what i am doing on these
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