Advanced MathEasyPositive square root from a squared equation
Advanced Math practice question
If x² = 36 and x > 0, what is the value of x?
Answer: 6
6² = 36, and 6 is positive.
Common wrong answers
- If you answered 18
- 18 halves 36 instead of taking the square root.
- If you answered 1296
- 1,296 is 36², squaring again instead of taking the root.
- If you answered -6
- −6 also squares to 36 but is not positive.
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