Multiplying matrices Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-2/multiplying-matrices/quiz/

1. 1

   Calculate [1, 2; 3, 4] × [2, 0; 1, 3]

   Answer: ____________________

2. 2

   Calculate [2, 1; 0, 3] × [4; 5]

   Answer: ____________________

3. 3

   Calculate [1, 0; 0, 1] × [7, 2; −3, 5]

   Answer: ____________________

4. 4

   Calculate [1, 2, 3] × [2; 0; 1]

   Answer: ____________________

5. 5

   Calculate [2, −1; 3, 4] × [1, 5; −2, 3]

   Answer: ____________________

6. 6

   Calculate [4, 0; −2, 1; 3, 5] × [1, −1; 2, 3]

   Answer: ____________________

7. 7

   Calculate [3, 1; −2, 5] × [−1; 4]

   Answer: ____________________

8. 8

   Calculate [2, 1, −3] × [1; 4; 2]

   Answer: ____________________

9. 9

   AB and BA for A = [1, 2; 0, 3], B = [2, 0; 1, 1]

   Answer: ____________________

10. 10

    Calculate [1, 2, 3; 0, 1, 4] × [1; −1; 2]

    Answer: ____________________