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}\\)
2x
\\(\\sqrt{2}x\\)
Question 2
80% answer correctly
The square root of 49 is ?
8
6
7
\\(\\sqrt{7}\\)
Question 3
68% answer correctly
The cube of 2 is ?
4
16
1
8