Enter the key from Problem 4's side challenge
Wrong key. Go back and solve Problem 4 first!
In math, a square root is a number that, when multiplied by itself, gives you the original number.
For example: √25 = 5 because 5 × 5 = 25
Now solve this one:
√9 = ?
What positive number, multiplied by itself, equals 9?
Hint: Try small numbers. Does 2×2=9? Does 3×3=9?
How many vowels are in the word EQUATION?
(Remember: vowels are A, E, I, O, U)
The answer is your key to unlock Problem 6