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Sure. √6 , the square root of 6, is approximately 2.44949. It's an irrational number --you can't get it as the ratio of any two integers -- but it's real. See Can_a_real_number_be_an_irrational_number

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Related Questions

Is a radical a real number?

It can be.


Is radical 3 a real number?

No it is not.


Can you divide a radical by a real whole number?

Yes.


Is radical 25 a real number?

If by "radical" you mean "square root of", then yes. Both square roots of 25 are real numbers.


Can a radical be negative?

In mathematics, a radical typically refers to the root of a number, such as the square root. The value under a radical can be negative, but if we're talking about real numbers, the square root of a negative number is not defined in the real number system; instead, it results in an imaginary number. However, if you're considering other radicals, like cube roots, the radical itself can yield a negative result if the number under the radical is negative.


Is six and ninths are real numbers?

Six is a real number. If you mean "six ninths", yes, that's a real number. If you mean "one ninth", that's also a real number.


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


What is the name of a square root of a negative number?

I'm not quite sure, but when the number inside the radical (square root sign) is negative, there is a no real-number solution.


How many real roots do we have if the polynomial equation is in degree six?

Such an equation has a total of six roots; the number of real roots must needs be even. Thus, depending on the specific equation, the number of real roots may be zero, two, four, or six.


Is an -4 is radical?

Yes, -4 can be considered a radical in the sense that it can be expressed as the square root of a negative number. Specifically, (-4) can be represented as (\sqrt{-16}), which involves the imaginary unit (i) (where (i = \sqrt{-1})). However, in real number terms, -4 itself is not a radical but can be associated with radicals in the context of complex numbers.