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All right, let's say that you have an equation like this:
2x=4
In order to find x, we need to get it alone. Because of this, we will divide by 2. The reason we divide by 2 is because when you're trying to get the answer of something in Algebra, you will need to do the opposite of what is being done to the original variable.
The same is true with a square root.
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What happens when a square root radical is raised to the second power?
they cancel each other out. the square root of 5 raised to the second power = 5
Can you square a square root?
Yes, the whole idea of taking the "square root" of a number is, for example for the square root of 2, to find the number that, when squared, gives you 2. if you try to do both, they cancel each other out.
What is the principle square root of 49 over 21 squared?
(√(a))²=a The square root and the square cancel to leave just 49/21■
What happens when ninth root of a number is raised to the ninth power?
The power and the root cancel each other out and the result is the radicand (the number under the radical sign).
How do you figure out square root of 80?
put it in a calculator. square root means what two numbers that are exactly the same that are multiplied by each other. 8.94427191 * 8.94427191 = 80
