Determinants and Cramer's Rule

Evaluate the determinant of the matrix. (Example Answer: 59)

What is the formula for the determinant of a 2x2 matrix?

• ad-bc

• ab-cd

• ad+bc

• ab+cd

When using Cramer's Rule, what would the 2x2 matrix look like for the Determinant (D)?

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Solve the system of equations using Cramer's Rule.

Evaluate the determinant of the matrix.

Solve the system of equations using Cramer's Rule.

Solve the system of equations using Cramer's Rule.

Evaluate the determinant of the matrix.

Evaluate the determinant of the matrix.