Matrix Determinants and Inverses

What size is this matrix?

• 2x2

• 2x3

• 3x2

• 1x6

Tags

CCSS.HSN.VM.C.6

CCSS.HSN.VM.C.8

What is the determinant of this matrix?

• -2

• 2

• 10

• 24

Tags

CCSS.HSN.VM.C.12

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)

Tags

CCSS.HSN.VM.C.12

What is the determinant of this matrix?

• 0

• 24

• -24

• -12

Tags

CCSS.HSN.VM.C.12

Are these matrices inverses of each other?

• Yes

• No

• Unable to Determine

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

There is NO inverse if the determinant equals what value?

• 0

• 1

• -1

Tags

CCSS.HSA.REI.C.9

what is a matrix?

• A matrix is a rectangular array of numbers.

• a matrix is squares with numbers in them

• a matrix is always a 2 x 2 thing

• all of the above