| Answer | Crossword Clue |
|---|---|
| ONE | Number that's its own square root |
| ONE | Number that is its own square root |
| ONE | Number that's its own square |
| ONE | Number whose square equals its square root |
| imaginary | (of a number or quantity) Expressed in terms of the square root of a negative number (usually the square root of ?1, represented by i or j) |
| irrational | (of a number, quantity, or expression) Not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal. Examples of irrational numbers are the number p and the square root of 2 |
