Determinant of a 2 by 2 Matrix

Evaluate the determinant of the matrix.

• -21

• 0

• 9

• 12

Evaluate the determinant of the matrix.

• -21

• 0

• 9

• 12

Calculate the determinant

• 0

• none

• -32

• -8

Find the determinant of the matrix

• -9

• -11

• 21

• 9

• a
• b
• c
• d

• a
• b
• c
• d

Evaluate the determinant of the matrix.

• -21

• 0

• 9

• 12

What is the formula for the determinant of a 2x2 matrix?

• ad-bc

• ab-cd

• ad+bc

• (a+d)(b+c)

• A
• B
• C
• D

Find the determinant's value

• -18

• -23

• -2

• 2