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Earn +20 ptsQ: Is a radical a real number?
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Is radical 3 a real number?
No it is not.
Can you divide a radical by a real whole number?
Yes.
Any radical expression with a radicand and an even index is not a real number?
negative
Any radical expression with a negative radicand and a index is a real number?
Odd
When you multiply a radical number with another radical number do the radical signs cancel each other out?
Not necessarily. If it is the same radical number, then the signs cancel out. Radical 5 times radical 5 equals 5. But if they are different, then you multiply the numbers and leave them under the radical sign. Example: radical 5 * radical 6 = radical 30
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