Relating invertibility to being onto and one-to-one | Linear Algebra | Khan Academy - JJtheTutor

Relating invertibility to being onto (surjective) and one-to-one (injective) Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/matrix_transformations/inverse_transformations/v/determining-whether-a-transformation-is-onto?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Missed the previous lesson? https://www.khanacademy.org/math/linear-algebra/matrix_transformations/inverse_transformations/v/surjective-onto-and-injective-one-to-one-functions?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but…