In this lecture Professor Fraser will guide you through Cramer's Rule. After an introduction with a System of Two Equations in Two Variables, as well as a System of Three Equations in Three Variables, you will finish with four complete video examples.
allows us to solve a system of equations using only determinants.
There is no graphing or algebraic work involved.
indicates situations in which a system does not have a unique
solution. It does not specify whether the system has no solution or
an infinite number of solutions.
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.