Algebra Practice Test Results

Question 1
78% answer correctly
Solve this equation for a: \\(a = \\frac{b^6}{b^2}\\)
\\(b^{\\frac{2}{6}}\\)
-4b
\\(b^4\\)
\\(b^{-4}\\)
Question 2
73% answer correctly
What`s the greatest common factor of 64 and 56?
4
8
16
120
Question 3
46% answer correctly
What`s the cube root of \\(27x^3\\) ?
\\(3\\sqrt[3]{x}\\)
3x
\\(\\sqrt[3]{3}x\\)
\\(\\sqrt[3]{3x}\\)