Consider a linear system whose augmented matrix is of the form 1 2 1 1 1 4 3 2 2 2 a 3 For what values of a will the system have a unique solution?

2/23/18 Lecture - Limits of Multiple Variables Friday, February 212:06 PM (Monday no class, Wednesday midterm) Challenge: Review of limits Limits with more variables We have an infinite number of ways to approach this point. Let's choose a way along a line, such as x=0. Let's try from a different...