# Matrices

### Popular Tutorials in Matrices

• #### How Do You Add Matrices?

Adding matrices is easier than you might think! Just find the corresponding positions in each matrix and add the elements in them! This tutorial can show you the entire process step-by-step.

• #### How Do You Multiply a Matrix by a Scalar?

To multiply a matrix by a scalar, just multiply each element in the matrix by the scalar! To see the entire process, check out this tutorial!

• #### How Do You Multiply Two 2x2 Matrices?

Multiplying matrices isn't as simple as multiplying real numbers, but it's not too hard once you understand the procedure. Watch this tutorial to see how multiplication works for 2 x 2 matrices.

• #### How Do You Find Values For x and y to Make Two Matrices Equal?

Two matrices with the same dimensions are equal if the elements in corresponding positions are equal. Watch this tutorial to see how the definition of matrix equality can be used to find unknown values in matrices.

• #### How Do You Find the Determinant of a 2x2 Matrix?

Determining the determinant of a matrix can be fun, especially when you know the right steps! This tutorial provides a great example of finding the determinant of a 2x2 matrix.

• #### How Do You Find the Inverse of a 2x2 Matrix?

When you multiply a matrix and its inverse together, you get the identity matrix! Follow along with this tutorial to practice finding the inverse of a 2x2 matrix.

• #### What is a Coefficient Matrix?

You can solve a system of a equations using matrices! In order to do that, you need to create a coefficient matrix. This tutorial introduces this type of matrix and shows you how to make one!