Determinant of 2x2 Matrices

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 determinant of this matrix?

• 0

• 24

• -24

• -12

Evaluate the determinant of the matrix.

• -21

• 0

• 9

• 12

Find det(A)

• 20

• -20

• 60

• -60

• A
• B
• C
• D

If the determinant of the matrix is 14, what is the value of x?

If the determinant of the matrix is -4, what is the value of x?

What is the determinant of this matrix?

• -2

• 2

• 10

• 24

Calculate the determinant

• 0

• -15

• -70

• 10