Lesson
Notes
Rational Exponent Form & Radical Form
\(\displaystyle x^{a/b} = \sqrt[b]{x^a} = \left(\sqrt[b]{x}\right)^a\)
Practice Problems & Videos
\(\textbf{1)}\) Express \(\sqrt[3]{x^2}\) in Rational Exponent Form The answer is \(\displaystyle x^{2/3}\)
\(\textbf{2)}\) Express \(\sqrt[5]{2^3}\) in Rational Exponent Form The answer is \(\displaystyle 2^{3/5}\)
\(\textbf{3)}\) Express \(\sqrt[4]{3.1^7}\) in Rational Exponent Form The answer is \(\displaystyle 3.1^{7/4}\)
\(\textbf{4)}\) Express \(\sqrt[5]{x^3}\) in Rational Exponent Form The answer is \(\displaystyle x^{3/5}\)
\(\textbf{5)}\) Express \(\displaystyle z^{1/7}\) in Radical Form The answer is \(\sqrt[7]{z}\)
\(\textbf{6)}\) Express \(\displaystyle 5^{5/2}\) in Radical Form The answer is \(\sqrt{5^5}\) or \(\left(\sqrt{5}\right)^5\)
\(\textbf{7)}\) Express \(\displaystyle 4.2^{3/4}\) in Radical Form The answer is \(\sqrt[4]{4.2^3}\) or \(\left(\sqrt[4]{4.2}\right)^3\)
\(\textbf{8)}\) Express \(\displaystyle x^{1/4}\) in Radical Form The answer is \(\sqrt[4]{x}\)
\(\textbf{9)}\) Express \(\displaystyle x^{2/3}\) in Radical Form The answer is \(\sqrt[3]{x^2}\) or \(\left(\sqrt[3]{x}\right)^2\)
\(\textbf{10)}\) Express \(\displaystyle 3^{4/5}\) in Radical Form The answer is \(\sqrt[5]{3^4}\) or \(\left(\sqrt[5]{3}\right)^4\)
