Matrices

Question 1 of 10

If [[x, 2], [3, 4]] [[1], [2]] = [[7], [11]], find x.

Question 2 of 10

Find the inverse of the matrix (2 1; 5 3).

Question 3 of 10

A square matrix has no inverse when

Question 4 of 10

Find AB if A = [[1, 2], [3, 4]] and B = [[1], [1]].

Question 5 of 10

If A = [[1, 2], [3, 4]], find 2A.

Question 6 of 10

Find the determinant of the matrix (3 2; 1 4).

Question 7 of 10

The order of a matrix with 2 rows and 3 columns is

Question 8 of 10

Find (1 2; 3 4) + (0 1; 1 0).

Question 9 of 10

A 2 × 3 matrix is multiplied by a 3 × 2 matrix. What is the order of the product?

Question 10 of 10

The transpose of [[1, 2], [3, 4]] is