1. The symbol √ is called a _________________. 2. The number under the radical sign is called the ________________. 3. The __________ of any number is a number whose square is the given number 4. The inverse of squaring a number is finding its ________________. 5. Each square root of a _____________ integer has no real roots. 6. Every positive number has ______ (how many?) square roots. 7. _____________ are numbers that have rational numbers as square roots 8. The combination of a radical sign together with a number under it is called a/an _______. 9. The square roots of a perfect square is always ___________ number.