MATHEMATICS II - Unit 5 Chapter Summary 1
What is a matrix? How are two matrices of the same type summed? How do we multiply two matrices of corresponding types? How do we solve a system consisting of two linear equations in two unknowns? How can you make a geometric interpretation of the solution of a system consisting of two linear equations with two unknowns? How do we find the determinant of a matrix of type 3×3 with Sarrus’s rule? How do we find the solution of a system of linear equations in three variables by using Cramer rule?