Advanced MathEasyPositive number from its square
Advanced Math practice question
The square of a positive number is 64. What is the number?
Answer: 8
The positive number whose square is 64 is √64 = 8.
Common wrong answers
- If you answered 32
- 32 is 64/2, halving instead of taking the square root.
- If you answered 4096
- 4,096 is 64², squaring again instead of taking the root.
- If you answered -8
- −8 also squares to 64, but the question asks for the positive number.
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