Question

Can someone tell me if my answers are correct?

ok the assignment told me to find the slope to some points on a line, here are some of them can u tell me if they're correct?



1. (-5, 6) and (1, -8)
my answer: negative 14/6

2. (3, 8) and (7, 2)
my answer: negative 6/4

3. (-4, -9) and (6, -2)
my answer: 7/10

4. (-5, 4) and (-5, 8)
my answer: 4/0, so undefined.

5. (1, -2) and (-9, -11)
my answer: 0.9


any help is very appreciated.. thanks!!!

Answer 1

all are correct

Answer 2

all are correct but some can be simplified

Answer 3

ok thanks!!