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Earn +20 ptsQ: Is radical 3 a real number?
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Is a radical a real number?
It can be.
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
What is the radical that is a radical number?
It is a root of a number where that root cannot be made into a rational number. For example, the cuberoot(27/64) is 3/4 and so is not a radical but cuberoot(32/64) = cuberoot(1/2) = 3√(1/2) cannot be simplified or rationalised further.
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