Algebra Exponents and Roots Practice Test Results

Question 1
62% answer correctly
What`s the square root of \\(4x^2\\) ?
\\(2\\sqrt{x}\\)
\\(\\sqrt{2x}\\)
\\(\\sqrt{2}x\\)
2x
Question 2
80% answer correctly
The square root of 49 is ?
7
8
6
\\(\\sqrt{7}\\)
Question 3
62% answer correctly
What`s the square root of \\(4x^2\\) ?
\\(\\sqrt{2x}\\)
2x
\\(2\\sqrt{x}\\)
\\(\\sqrt{2}x\\)