Algebra Exponents and Roots Practice Test Results

Question 1
70% answer correctly
Which of the following is not a synonym for \\(9^2\\) ?
9 squared
The square of 9
9 cubed
9 to the second power
Question 2
81% answer correctly
Which of the following is not a synonym for \\(5^3\\) ?
5 to the third power
5 cubed
The cube of 5
5 squared
Question 3
40% answer correctly
Which of the following statements will produce a value that`s less than zero?
\\(x^{-9}\\)
\\(x^{-2}\\)
\\(-x^9\\)
\\(-x^2\\)