Algebra Polynomials Practice Test Results

Question 1
87% answer correctly
(n + 6)(n + 4) = ?
\\(n^2\\) + 10n + 24
\\(n^2\\) - 10n - 24
\\(n^2\\) + 10n - 24
\\(n^2\\) - 10n + 24
Question 2
64% answer correctly
If n = 2 what`s the value of \\(4n^2 - 4n + 18\\) ?
8
-10
26
24
Question 3
83% answer correctly
(n + 8)(n + 2) = ?
\\(n^2\\) - 10n - 16
\\(n^2\\) + 10n + 16
\\(n^2\\) - 16n - 16
\\(n^2\\) + 16n - 16