Matrices and Systems of Linear Equations

Will this matrix have an inverse?

• Yes

• No

• Unable to Determine

Are these matrices inverses of each other?

• Yes

• No

• Unable to Determine

Which option below correctly shows the steps to find the inverse of this matrix?

• 
• 
• 
• No Inverse Exists

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

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• ∅

Let A be square matrix of order 3 X 3. Write the value of|2𝐴|, where |𝐴| = 4

• 8

• 16

• 24

• 32

Evaluate the determinant of the matrix.

• 695

• 284

• 392

• -179

• a

• b

• c

• d

Calculate the determinant

• 0

• -15

• -70

• 10