Algebra Exponents and Roots Practice Test Results

Question 1
46% answer correctly
What`s the cube root of \\(27x^3\\) ?
3x
\\(3\\sqrt[3]{x}\\)
\\(\\sqrt[3]{3}x\\)
\\(\\sqrt[3]{3x}\\)
Question 2
66% answer correctly
Factor \\(\\frac{6x^4 + x^2}{x^2}\\)
\\(\\frac{6x^{6} + 1}{x^2}\\)
\\(6x^2 + 1\\)
\\(6x^2 - 1\\)
\\(6x^{6} + 1\\)
Question 3
71% answer correctly
Solve this equation for a: \\(a = \\frac{b^6}{b^4}\\)
\\(b^{\\frac{6}{4}}\\)
\\(b^2\\)
\\(b^{\\frac{4}{6}}\\)
-2b