Q: What is the number outside the radical called?

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The number under the radical sign (also known as the radical) is called the radican.

False

You don't. If the negative sign is outside the radical, then you take the square root of the number and apply the negative. If the negative sign is inside the radical, you will have an imaginary number.

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

It would be radical 170, because 170 cannot factor anything outside of the radical.

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you have to square the outside number and then multiply it by the number inside the squareroot sign.

The number under the radical sign (also known as the radical) is called the radican.

the number under the radical sign is called the radicand

False

Yes.

You don't. If the negative sign is outside the radical, then you take the square root of the number and apply the negative. If the negative sign is inside the radical, you will have an imaginary number.

the letter i means a complex number. it means square root of -1. whenever you have numbers outside the radical all you have to do is square them to get them inside the radical.so square i and square 2i2 radical 20 is the same are your new form... radical negative 80but your numerical answer is 8.94i

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

It would be radical 170, because 170 cannot factor anything outside of the radical.

The number of which the square root is to be found is called the "radicand." The symbol before the number is called the radical sign. ( √ ) E.g. √4 = 2, √25 = 5

A number under a radical sign is known as a radicand.

If the product of two irrationals is a rational, then they are both the same radical of a non-perfect square. For example, radical 5 times radical 5 is 5, since that is by definiton what a radical is.