Back to course overview:Linear Algebra

Lesson 19 of 26 · Actually Computing Things

Reduced Row Echelon Form

Khan Academy18mVideoOptional

Gaussian elimination, which is how systems of equations are actually solved and which the geometric series never mentions. Necessary if you are taking a course with exams in it.

Optional — ticking this does not change your percentage.

Video not playing? Some channels disable embedding, and there is no way around it.Open on YouTubeinstead — then come back and mark it complete.