Matrices Unit

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Dimensions?

• a

• b

• c

• d

What do m, n, p and q equal in this scalar matrix multiplication?

• m=8, n=9, p=-4, q=4 

• m=15, n = -45, p=20, q=-5

• m=20, n=-5, p=15, q=-45

• m=-5, n=20, p=-45, q=15

What is the determinant of this matrix?

• -2

• 2

• 10

• 24

What is the determinant of this matrix?

• 5

• -5

• 0

• -12

What is the determinant of this matrix?

• 0

• 24

• -24

• -12

Will this matrix have an inverse?

• Yes

• No

• Unable to Determine

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

• 
• 
• 
• No Inverse Exists

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Calculate the determinant

• 0

• -15

• -70

• 10