Inverses and Determinants of Matrices

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 formula for the determinant of a 2x2 matrix?

• ad-bc

• ab-cd

• ad+bc

• (a+d)(b+c)

What is the inverse of the following matrix?

• -7 4

  2 -1

• 1 -2

  -4 7

• 7/15 -4/15

  -2/15 1/15

• UNDEFINED

Tags

CCSS.HSA.REI.C.9

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

• 
• 
• 
• No Inverse Exists

Tags

CCSS.HSA.REI.C.9

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Tags

CCSS.HSA.REI.C.9

Find the determinant of the given matrix?

• 5

• -5

• 0

• -75

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Tags

CCSS.HSA.REI.C.9