Algebra Exponents and Roots Practice Test Results

Question 1
62% answer correctly
What`s the square root of \\(4x^2\\) ?
2x
\\(\\sqrt{2}x\\)
\\(\\sqrt{2x}\\)
\\(2\\sqrt{x}\\)
Question 2
63% answer correctly
Which of the following is equivalent to \\(x^{-4}\\)?
\\(-4x\\)
\\(\\frac{x}{-4}\\)
\\(\\frac{1}{x^{4}}\\)
\\(\\frac{x}{4}\\)
Question 3
68% answer correctly
The cube root of 125 is ?
5
\\(3 \\sqrt[3]{5}\\)
\\(\\sqrt[3]{5}\\)
1.82