Which operation needs matching orders?
Read exercise and reference answers
- Items
- Item
- A + B
- Category
- Needs identical orders
- Item
- A − B
- Category
- Needs identical orders
- Item
- Checking A = B
- Category
- Needs identical orders
- Item
- AB
- Category
- Needs inner dimensions to agree
- Item
- BC
- Category
- Needs inner dimensions to agree
- Categories
- Item
- Needs identical orders
- Item
- Needs inner dimensions to agree
Addition demands identical orders
multiplication only needs the inner dimensions to agree. Source: syllabus Maths Part I, Ch 3 Matrices.