Algebra Exponents and Roots Practice Test Results

Question 1
62% answer correctly
What`s the square root of \\(4x^2\\) ?
\\(\\sqrt{2}x\\)
\\(2\\sqrt{x}\\)
\\(\\sqrt{2x}\\)
2x
Question 2
63% answer correctly
Which of the following is equivalent to \\(x^{-4}\\)?
\\(\\frac{x}{4}\\)
\\(-4x\\)
\\(\\frac{1}{x^{4}}\\)
\\(\\frac{x}{-4}\\)
Question 3
48% answer correctly
Which of the following statements will produce a value that`s less than zero?
\\(-x^7\\)
\\(-x^4\\)
\\(x^{-4}\\)
\\(x^{-7}\\)