Matrices Unit

What is a_2,3

• 14

• 4

• 1

• 3

What is the dimension of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

Perform the indicated operation

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• Undefined

Perform the indicated operation

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Multiply.

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• Undefined

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Solve the system of equations:

• ( 4, 2, -1)

• ( 4, 3, -1)

• Undefined

• ( -4, 3, 1)

• A

• B

• C

• D

• E

Evaluate the determinant of the matrix.

• -21

• 0

• 9

• 12

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

• inverse matrix.

• transpose matrix.

• Identity matrix

• original matrix.