9000013510
Level:
A
Write the fraction \(\frac{1}
{1+\sqrt{2}}\)
in an equivalent form which does not contain radical in the denominator.
\(\sqrt{2} - 1\)
\(\sqrt{2}\)
\(\frac{1}
{\sqrt{2}}\)
\(1 -\sqrt{2}\)
Expressions with Exponents and Radicals
9000010505
Level:
B
For \(x\in \mathbb{R}\),
\(x > 0\),
simplify the following expression.
\[
\root{5}\of{x^{3}} : \root{3}\of{x}
\]
\(\root{15}\of{x^{4}}\)
\(\root{5}\of{x}\)
\(\root{3}\of{x^{2}}\)
\(\root{5}\of{x^{2}}\)
9000010501
Level:
A
For \(x\in \mathbb{R}\),
\(x > 0\),
simplify the following expression.
\[
\root{3}\of{x^{5}}
\]
\(x\root{3}\of{x^{2}}\)
\(x^{2}\root{3}\of{x^{2}}\)
\(x^{3}\root{3}\of{x^{2}}\)
\(x^{2}\root{5}\of{x^{3}}\)
9000010508
Level:
B
For \(x\in \mathbb{R}\),
\(x > 0\),
simplify the following expression.
\[
\root{3}\of{x^{2}}\cdot \root{5}\of{x^{4}}
\]
\(\root{15}\of{x^{22}}\)
\(\root{15}\of{x^{6}}\)
\(\root{15}\of{x^{8}}\)
\(x^{3}\root{15}\of{x}\)
9000010502
Level:
A
For \(x\in \mathbb{R}\),
\(x > 0\),
simplify the following expression.
\[
\root{3}\of{x^{5}}\cdot \root{3}\of{x^{4}}
\]
\(x^{3}\)
\(\root{3}\of{x^{12}}\)
\(\root{3}\of{x}\)
\(x\root{3}\of{x^{4}}\)
9000010509
Level:
A
For \(x\in \mathbb{R}\),
\(x > 0\),
simplify the following expression.
\[
x\cdot \root{3}\of{x^{11}}
\]
\(x^{4}\root{3}\of{x^{2}}\)
\(x^{11}\root{3}\of{x}\)
\(x^{12}\root{3}\of{x}\)
\(x\root{3}\of{x}\)
9000010503
Level:
B
For \(x\in \mathbb{R}\),
\(x > 0\),
simplify the following expression.
\[
\root{5}\of{x}\cdot \root{}\of{x}
\]
\(\root{10}\of{x^{7}}\)
\(\root{10}\of{x}\)
\(\root{5}\of{x^{2}}\)
\(\root{10}\of{x^{2}}\)
9000013503
Level:
B
Write the number \(\root{6}\of{3^{-3}}\)
as a power with a rational exponent.
\(3^{-\frac{1}
{2} }\)
\(3^{\frac{1}
{2} }\)
\(3^{2}\)
\(3^{-2}\)