Practice Matrices (order 2 × 2) (2.5) - Algebra

Practise this section

10 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Add the matrices A = [ [2, 3], [4, 5] ] and B = [ [1, 1], [1, 1] ].
Show hintHide hint
Add corresponding entries of both matrices.
Question 2.
Subtract the matrices A = [ [3, 5], [7, 10] ] and B = [ [2, 2], [1, 1] ].
Show hintHide hint
Subtract each corresponding entry.
3Question 3.
What is a 2x2 matrix?
- A matrix with one row
- A matrix with two rows and two columns
- A matrix with three rows
Show hintHide hint
Consider the definition of the 2x2 matrix.
4Question 4.
Can you add matrices of different orders?
- True
- False
Show hintHide hint
Think of the structure of matrices.
Question 5.
Given A = [ [1, 2], [3, 4] ] and B = [ [2, 3], [4, 5] ], perform A + B, A - B, and calculate AB.
Show hintHide hint
Follow the operations step-by-step for accuracy.
Question 6.
Multiply the matrices A = [ [1, 0], [2, 1] ] by B = [ [3, 4], [5, 6] ] and find the product.
Show hintHide hint
Remember to multiply across rows and down columns.

6 more questions in this section. Enroll free to practise them all.