Algebra Exponents and Roots Practice Test Results

Question 1
78% answer correctly
Solve this equation for a: \\(a = \\frac{b^6}{b^2}\\)
-4b
\\(b^4\\)
\\(b^{\\frac{2}{6}}\\)
\\(b^{-4}\\)
Question 2
47% answer correctly
What is the index in \\(\\sqrt[3]{125}\\) ?
125
5
3
\\(\\sqrt{ }\\)
Question 3
48% answer correctly
Which of the following statements will produce a value that`s less than zero?
\\(x^{-4}\\)
\\(x^{-7}\\)
\\(-x^7\\)
\\(-x^4\\)