GED Math : Square Roots and Radicals

Study concepts, example questions & explanations for GED Math

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Example Questions

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Example Question #31 : Square Roots And Radicals

Solve for 

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to move all the variables beside it to the other side of the equation. Luckily for us  is all by itself.

Our next step then is to make sure  is naked, meaning nothing it attached to it. We can see though that our  is being squared, so we need to get rid of that in order to proceed.

In order to get rid of the square, we must square root the whole equation. The square root and square will cancel each other out.

Since we don't have any variables that are the same, this is as far as we can go.

Our answer is 

Example Question #32 : Square Roots And Radicals

Simplify:

Possible Answers:

Correct answer:

Explanation:

Start by simplifying each radical.

The radicals all simplify down into multiples of . You can add them together.

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