Algebra Practice Test Results

Question 1
52% answer correctly
Find the slope of the line running through the points (9, 11) and \r\n (8, 6).
-5
\\(\\frac{1}{5}\\)
5
\\(\\frac{1}{-5}\\)
Question 2
93% answer correctly
What`s the least common multiple (LCM) of 9 and 2?
18
54
36
72
Question 3
76% answer correctly
Which of the following is a prime number?
11
51
46
116