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Tagged with linear-algebra precalculus
2 questions
19
votes
4
answers
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Why do we teach linear algebra in precalculus classes?
When I took precalculus, we learned about polynomials and how to factor them, we learned about trigonometry and lots of great and useful identities there, and we learned about matrices. They didn't ...
- 404
17
votes
7
answers
1k
views
Why do we teach that every line is a linear function?
Teaching my precalculus class today, I noticed something very simple that I hadn't taken into account previously. The definition in our textbook read:
"A linear function is a function defined by ...
- 1,796