Enter the 4 values of a 2 x 2 matrix into the calculator. The calculator will evaluate and display the inverse of that matrix.

## Inverse Matrix Formula

The following formula is used to calculate the inverse matrix value of the original 2×2 matrix.

First, the original matrix should be in the form below.

In this case, (ad-bc) is also known as the magnitude of the original matrix.

How to calculate the inverse matrix

**First, set up your original 2×2 matrix**This should follow the form shown above, with a,b,c, and d being the variables.

**Next, calculate the magnitude**Calculate the magnitude of the first matrix use the formula a*d-b*c.

**Finally, calculate the inverse matrix**Calculate the inverse matrix using the magnitude and the formula above.

## FAQ

**What is a matrix?**

A matrix is a mathematical collection of values in a fixed number of rows and columns.

**What is a matrix used for?**

A matrix has many purposes, but it’s main use is for solving linear systems of equations.

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