Mathematics, 29.06.2019 13:00 superpuglover5924
Which radical expression is an irrational number? a. ∛216 b. ∛144 c. ∛125 d. ∛64
Answers: 1
![\sqrt[3]{216} =\sqrt[3]{(6)^3} =6](/tpl/images/0031/0995/d86ec.png)
Rational number![\sqrt[3]{144}=\sqrt[3]{3\times3\times\2\times2\times2\times2}=2\sqrt{18}](/tpl/images/0031/0995/94ed5.png)
Irrational number![\sqrt[3]{125}=\sqrt[3]{(5)^3} =5](/tpl/images/0031/0995/a44f9.png)
Rational number![\sqrt[3]{64}=\sqrt[3]{(4)^3} =4](/tpl/images/0031/0995/39bbc.png)
Rational number
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Which radical expression is an irrational number? a. ∛216 b. ∛144 c. ∛125 d. ∛64...
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