In Exercises 3944, use a determinant to find an equation of the line passing through the points.

Study Guide 2 Math 340 – Differential Equations Exam 2 – April 7 Disclaimer: This study guide will cover everything from section 7.6 to 9.4, however do not rely on this information to get you through the test, tis only an aide Section 7.6: Square Matrices Definitions: o The nxn matrix A is said to be nonsingular if we can solve the system Ax=b for any choice of the vector b in R . Otherwise the matrix is singular o An nxn matrix A is invertible if there is an nxn matrix B such that AB=I and BA = I. A matrix B