Algebra Polynomials Practice Test Results

Question 1
78% answer correctly
(n + 2)(n + 4) = ?
\\(n^2\\) - 6n + 8
\\(n^2\\) - 8n - 8
\\(n^2\\) + 6n - 8
\\(n^2\\) + 6n + 8
Question 2
67% answer correctly
If n = 5 what`s the value of \\(3n^2 - 9n + 17\\) ?
13
30
47
120
Question 3
64% answer correctly
If n = 2 what`s the value of \\(4n^2 - 4n + 18\\) ?
24
26
-10
8