Attached below is a step by step process of arriving at the answer.
Take any 2 points the answer will be the same.
For point 2 and 3 : (-4)-(2)/(0)-(-1) = -6
the answer is -6
7.B




9.A
3/2=1.5
8. F
2times pi =6.283
square root of 50= 7.071
pi squared/2= 3.289
10.H
1/7= .143
which means it can't be f or g.