ACT Math Topic You NEED To Know In 2023 - Matrices & Matrix Multiplication

Matrices are on every single ACT Math Test but most students have no idea how they work. Learn how to master matrices in only 12 minutes with expert tutor and perfect ACT scorer Matthew Stroup.

In this video, you will learn the essential skills that you need to know for matrices questions when the appear on the ACT, including how to add and subtract matrices, matrix dimensions, the determinant of a 2 x 2 matrix, and matrix multiplication. Plus, you can solve some practice questions at the end of the video to make sure you are ready for any matrices questions you see on the ACT in 2023 and beyond.

Be sure to watch until the end of the video to learn how to sign up for lots more FREE ACT Math tutoring from me.

This is by far the best ACT math book for the 2023 ACT. The book has over 1,250 practice questions that look exactly like real ACT questions. And even better, I have created a video course starting at $29.99/month where I have videos explaining how to solve all 1,250+ practice questions and much much more. If you are aiming for a perfect 36, I got your covered! There's a TON of super challenging question for students aiming for a perfect score.

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0:00 Introduction
0:25 What is a Matrix?
1:28 Matrix Dimensions
1:53 Matrix Addition and Subtraction
4:37 Finding the Determinant of a (2x2) Matrix
6:23 Matrix Multiplication Step 1 - Defined vs. Undefined
8:22 Matrix Multiplication - Finding The Values
11:44 4 Practice Questions
12:04 - Answers & More Free ACT Math Lessons

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8:04 it should be a (2 by 1) not (1 by 2)