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Radicals and Exponents Identify the choice that best completes the statement or answers the question

Radicals And Exponents Identify The Choice That Best Completes The Statement Or Answers The Question class=

Sagot :

[tex]\text{ }\sqrt[3]{\frac{1}{3}}\text{ (option A)}[/tex]Explanation:[tex]\begin{gathered} 2)\text{ }\frac{\sqrt[3]{8}}{\sqrt[3]{24}} \\ \\ We\text{ will solve numerator and denominator seperately. Then we will combine the results} \\ 8=2^3 \\ \sqrt[3]{8}=\text{ }\sqrt[3]{2^3}=\text{ 2} \end{gathered}[/tex][tex]\begin{gathered} 24\text{ = 3 }\times\text{ 8} \\ \sqrt[3]{24}\text{ = }\sqrt[3]{3\times8}\text{ = }\sqrt[3]{3}\text{ }\times\text{ }\sqrt[3]{8} \\ \sqrt[3]{24}\text{ = }\sqrt[3]{3}\text{ }\times\text{ }\sqrt[3]{2^3} \\ \sqrt[3]{24}\text{ = }\sqrt[3]{3}\text{ }\times\text{ 2} \end{gathered}[/tex][tex]\begin{gathered} \frac{\sqrt[3]{8}}{\sqrt[3]{24}}\text{ = }\frac{2}{\sqrt[3]{3}\text{ }\times\text{ 2}} \\ 2\text{ cancles out:} \\ \\ \frac{\sqrt[3]{8}}{\sqrt[3]{24}}\text{ = }\frac{1}{\sqrt[3]{3}\text{ }} \end{gathered}[/tex][tex]\begin{gathered} \sin ce\text{ we don't have the result above in the question, we can simplify further} \\ By\text{ re-w riting in another form:} \\ \frac{\sqrt[3]{8}}{\sqrt[3]{24}}\text{ = }\frac{1}{\sqrt[3]{3}\text{ }} \\ \sqrt[3]{1}\text{ = 1} \\ \\ \frac{\sqrt[3]{8}}{\sqrt[3]{24}}\text{ = }\frac{\sqrt[3]{1}}{\sqrt[3]{3}\text{ }}\text{ cube root is common to the numerator and denominator},\text{ combine} \\ \\ \text{= }\sqrt[3]{\frac{1}{3}}\text{ (option A)} \end{gathered}[/tex]