Algebra question that I cant find the answer to.

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bradka79

12. Mai 2018 04:46

Solve the following expression for y

y^(1/3)=x+3

I was not sure if the answer is

A) y = (x+3)^3

B) y = x^3 + 3^3

I purposely left them unfactored for the sake of the question, that is, to illustrate the correct rule, because they both will yield different answers.

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Admiral Betasin

12. Mai 2018 19:39
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It might help to remember that y^(1/3) is equal to cube root of y.

Here are the steps for how to solve the given equation:

Start with your original equation:
y^(1/3)=x+3

Cube both sides:
y = (x + 3)^3

And that's it.
bradka79

12. Mai 2018 23:35
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Thank you!
Admiral Betasin

12. Mai 2018 23:42
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No problem.

Feel free to ask me if you have any other questions in mind.
Moataz Gobara

20. Mai 2018 23:07
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I AM NOT SURE HOW TO READ THE TERM Y^ . HOW TO SAY IT IN ENGLISH?
Admiral Betasin

21. Mai 2018 02:28

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You would read it as "Y [as the letter] squared."

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Algebra question that I cant find the answer to.

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