CCSS Honors 1.5 Example 1

Find the additive inverse, the determinant, and the multiplicative inverse of the matrix.

[list=1] [*]Find the additive inverse, [math]–A[/math]. [*]Find the determinant of the original matrix. [*]Find the multiplicative inverse, [math]A^{–1}[/math], of the original matrix. [/list]