Determinant of a 2x2 matrix

The  exercise appears under the Precalculus Math Mission and Pre-algebra Math Mission. This exercise practices finding the determinant of a 2x2 matrix.

Types of Problems
There is one type of problem in this exercise:
 * 1) Find the determinant of the matrix: This problem provides a 2x2 matrix. The student is expected to determine what the determinant of the matrix is and write it in the space provided.

Strategies

 * 1) You need to remember to subtract the two numbers you are multiplying from the other two numbers.

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.