As anecdata this was taught in first year university mathematics for math, engineering, physics, chemistry, etc. students in 1981 in all three universities in Perth Western Australia aka "the most isolated city in the world" [1]
It never occurred to me that geometric parallels would not be given in linear algebra courses.
It never occurred to me that geometric parallels would not be given in linear algebra courses.
[1] https://about.soar.earth/blog-pages/how-the-worlds-most-isol...