Operations with Matrices and Determinants

Determine whether the matrices are multiplicative inverses.

• Yes
• No
• Elevator
• Pi

Evaluate the determinant of the matrix.

• -21
• 0
• 9
• 12

Evaluate the determinant of the matrix.

• -21
• 0
• 9
• 12

When you multiply a matrix by the identity matrix, you obtain the

• inverse matrix.

• transpose matrix.

• Identity matrix

• original matrix.

If |A| = 0, then A is

• zero matrix

• singular matrix

• non-singular matrix

• Identity matrix

Calculate the determinant

• 0
• none
• -32
• -8

Given matrices A and B find B+A

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Find A + B

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Find X - Y

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Find matrix C= BA

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