Home Module 5: Mathematical Tools: Determinants and Matrices Self-Study Quizzes Multiple Choice

# Multiple Choice

This activity contains 9 questions.

## The value of the determinant is

 db - ca. da - cb. dc + ba. db + ca. dc - ba.

## The correct determinant value for the determinant would be

 (7)(5) - (8)(2). (7)(2) + (5)(8). (7)(8) - (5)(2). (7)(2)(5)(8). (7)(2) - (5)(8).

## The addition of the matrices gives a

 3 x 3 matrix. 3 x 2 matrix. 2 x 3 matrix. 2 x 2 matrix. none of the above

## The multiplication of the matrices gives a

 3 x1 matrix. 1 x 3 matrix. 1 x 1 matrix. 3 x 3 matrix. none of the above

## The multiplication of the matrices gives a

 3 x 1 matrix. 1 x 3 matrix. 1 x 1 matrix. 3 x 3 matrix. none of the above

## Which of the following matrix multiplications would not be possible?

 a 5×6 matrix with a 6×3 a 4×3 matrix with a 3×3 a 2×2 matrix with a 3×3 a 5×6 matrix with a 3×3 matrix none of the above

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

 inverse matrix. the transpose matrix. adjoint matrix. cofactor matrix. original matrix.

## Multiply matrix

 none of the above

## The inverse of the matrix is

 undefined. none of the above