Algebra Exponents and Roots Practice Test Results

Question 1
78% answer correctly
Which of the following is not a synonym for \\(7^2\\) ?
7 squared
7 to the second power
7 cubed
The square of 7
Question 2
93% answer correctly
\\(2^4 \\times 2^7\\) = ?
\\(2^{-3}\\)
\\(2^{0.57}\\)
\\(-3^2\\)
\\(2^{11}\\)
Question 3
69% answer correctly
Factor \\(\\frac{2x^6 + x^2}{x^2}\\)
\\(2x^4 + 1\\)
\\(\\frac{2x^4 + 1}{x^2}\\)
\\(\\frac{2x^{8} + 1}{x^2}\\)
\\(2x^4 - 1\\)