16Hit1600
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.

More Advanced Math questions

Not affiliated with the College Board. SAT is a trademark of the College Board.