2x2 and 3x3 Determinants

Find the determinant of the matrix

• A
• B
• C
• D

Solve for the determinant of the following matrix:  
⌈12  −3⌉
⌊−6  15⌋
*detA= ad-bc

• 198
• 162
• -333
• -9

Calculate the determinant

• 0
• none
• -32
• -8

= ( a * d) - ( b * c )

• optimization
• objective function
• determinant
• gauss jordan elimination

Identify the dimensions.

• 2 x 4
• 4 x 2
• -2 x 6
• 1

Identify the dimensions.

• 0 x 4
• 4 x 1
• 4 x 0
• 1 x 4

Identify the dimensions.

• 1 x 3
• 1 x 2
• 2 x 1
• 3 x 1

Evaluate the determinant of the matrix.

• -21
• 0
• 9
• 12

Evaluate the determinant of the matrix.

• -21
• 0
• 9
• 12

What is the first step in finding the determinant of a 3X3 matrix?

• Rewrite the first two columns to the left of the matrix

• Rewrite the first two columns to the right of the matrix

• Rewrite the first two rows above the matrix

• Rewrite the first two rows below the matrix