What is the Square Root of 9?
The square root of 9 (√9) is 3. 9 is a perfect square (3 × 3 = 9).
Exact Answer
√9 = 3
Principal Root (√9)
3
Real Roots
±3
Perfect Square?
Yes (3²)
Exponential Form
9^(1/2)
Step-by-Step Solution: √9 = 3
Step 1
Definition of Square Root
The square root of 9 is the number y such that y × y = 9.
√9 = 3
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Principal Root (√9) | 3 |
| Real Roots | ±3 |
| Perfect Square? | Yes (3²) |
| Exponential Form | 9^(1/2) |
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Frequently Asked Questions
Is 9 a perfect square?
Yes, 9 is a perfect square because 3 × 3 = 9.