Curated OER
MA 371 Homework 1: Vectors
In this vectors worksheet, students solve 7 short answer problems. Students find vectors that are orthogonal. Students solve systems of equations by converting matrices into reduced row echelon form.
Wolfram Research
Wolfram Math World: Orthogonal Vectors
This MathWorld page gives a very brief definition of orthogonal vectors (vectors whose dot product is equal to zero.)