UPCAT Mathematics practice question 2: Simplify: (2x²y)³
Correct answer
A. 8x⁶y³
Raise each factor to the third power: 2³ = 8, (x²)³ = x⁶, and y³ = y³.
The question
Simplify: (2x²y)³
- Option A: 8x⁶y³Correct
- Option B: 6x⁶y³
- Option C: 8x⁵y³
- Option D: 2x⁶y³
Why A is correct
Raise each factor to the third power: 2³ = 8, (x²)³ = x⁶, and y³ = y³.