16Hit1600
Advanced MathEasy–MediumNumber from a quarter of its square

Advanced Math practice question

A positive number is such that one quarter of its square equals 9. What is the number?

Answer: 6

x²/4 = 9, so x² = 36 and x = 6.

Common wrong answers

If you answered 3
3 is √9, forgetting to multiply by 4 first.
If you answered 36
36 is the square, not the number.
If you answered 2.25
2.25 is 9/4, dividing instead of multiplying.

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