Matrices Determinants

If A is a non-singular matrix such that |𝐴| = 5, then find|𝐴⁻¹|.

• 5

• 25

• NONE OF THE ABOVE

Tags

CCSS.HSA.REI.C.9

Let A is square matrix of order 3, |𝐴| ≠ 0 𝑎𝑛𝑑 |3𝐴| = 𝑘|𝐴|, then write the value of k.

• 3

• 18

• 9

• 27

• 2

• 1

• 0

• NONE OF THESE

• 2

• 6

• 0

• -2

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

• 198

• 162

• -333

• -9

Evaluate the value of det (G).

• 8

• -8

• 18

• -18

If A is a 3 x 3 matrix such that det (A) = 8, then det (3A) equals ________.

• 8

• 24

• 72

• 216

What is the determinant of this matrix?

• 5

• -5

• 0

• -12

What is the determinant of this matrix?

• -2

• 2

• 10

• 24

• 2

• 6

• 0

• -2