Matrices: operations and inverse

Question 1 of 10

A 2 × 2 matrix A has determinant 2. Find the determinant of 4A.

Question 2 of 10

Find the inverse of [[−1, 2], [0, 2]].

Question 3 of 10

The determinant of [[3, 2], [4, 5]] is ___

Question 4 of 10

Find the inverse of [[1, 4], [4, 0]].

Question 5 of 10

A singular matrix has determinant zero.

Question 6 of 10

A 2 × 3 matrix can be multiplied by a 3 × 2 matrix.

Question 7 of 10

The determinant of [[5, 6], [4, 6]] is ___

Question 8 of 10

The determinant of [[5, 4], [4, 1]] is ___

Question 9 of 10

A 2 × 2 matrix A has determinant 4. Find the determinant of 2A.

Question 10 of 10

The determinant of [[6, 3], [3, 3]] is ___