Matrix Scalar Multiplication: Product of a Scalar and a Matrix Matrix multiplication usually falls into one of two types or classifications. The first one is called Scalar Multiplication, also known as the “Easy Type“; where you simply multiply a number into each and every entry of a given matrix. The second one is called Matrix Multiplication…
Adding and Subtracting Matrices In this lesson, I have prepared seven (7) worked examples to illustrate the basic approach on how to easily add or subtract matrices. If you know how to add and subtract real numbers, this topic should really be a breeze. The only thing required in order to “legally” perform the operations…
Inverse of a 2×2 Matrix Formula In this lesson, we are only going to deal with 2×2 square matrices. I have prepared five (5) worked examples to illustrate the procedure on how to solve or find the inverse matrix using the Formula Method. Just to provide you with the general idea, two matrices are inverses of…
ALL ALGEBRA LESSONS As a math teacher, I understand that a lot of students struggle with algebra. And since I am convinced that more students seek help in algebra than any other math subjects, I put more emphasis on writing more algebra lessons as they will serve as the foundation for the other subjects. I…
NEW MATH LESSONS Last updated: April 26, 2024 Below is the list of newly published math lessons. The lessons are organized in reverse chronological order. This page will be updated often, so please come back from time to time to check if there’s an update. As always, please don’t hesitate to reach out to me…