Mathematics, 25.10.2019 03:43 kyleee4473
simplify each cube root expression. describe the simplified form of the expression as rational or irrational. in your final answer, include all of your work.
3 square root of 81
3 square root of -64
Answers: 2
![\sqrt[3]{81}=3\sqrt[3]{3}](/tpl/images/0345/4675/1dc56.png)
![\sqrt[3]{-64}=-4](/tpl/images/0345/4675/930b1.png)
![\sqrt[3]{81}=\sqrt[3]{3^4}=\sqrt[3]{(3^3)(3)}=3\sqrt[3]{3}](/tpl/images/0345/4675/e5ab3.png)
![\sqrt[3]{-64}=\sqrt[3]{(-4)^3}=-4](/tpl/images/0345/4675/9c619.png)
![3\sqrt{81}\ne\sqrt[3]{81}](/tpl/images/0345/4675/8c252.png)
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simplify each cube root expression. describe the simplified form of the expression as rational or ir...
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