Explanation

Matrices allow data to be:

• Scaled

• Adjusted

• Combined

Example:
Increasing prices by 10% → multiply by 1.10

Matrices are used in:

• Economics

• Computer science

• Engineering

• Statistics

Quiz

1. What operation scales data?

2. Can matrices update many values at once?

3. Are matrices efficient for large datasets?

4. Is scalar multiplication common in modeling?

5. Are matrices used in real life?

Answer Key

1. Scalar multiplication

2. Yes

3. Yes

4. Yes

5. Yes