Solving matrix equations

The  exercise appears under the Precalculus Math Mission. This exercise involves finding the unknown variables.

Types of Problems
There are two types of problems in this exercise.
 * 1) Find the solution to the following equation: This problem provides 3 matrices. One of the matrices has the variables x and y. The student is required to find out what numbers these two variables represent and write them down in the space below. Capture1234.png
 * 2) Find the inverse of the 3 x 3 matrix and what is the unique solution?: This problem provides an equation which you have to solve and then click the correct bubble answer.Capture12.png
 * 3) Arrange the equation to form an equation that can be used to solve for the variables: This problem gives an equation. The student is required to rearrange the given equation and make a new equation that can be used to solve for the variables.Capture123.png

Strategies

 * 1) Students need to remember how to find the multiply and divide matrices from each other to find the answer.
 * 2) Students have to remember how to use the commutative property to rearrange equations.

Real-life Applications

 * 1) Matrix mathematics applies to several branches of science, as well as different mathematical disciplines.
 * 2) Matrix arithmetic helps us calculate the electrical properties of a circuit, with voltage, amperage, resistance, etc.