Question

@alias

Answer 1

If you are given two points \((x_1, y_1)\) and \((x_2, y_2)\) insert them in to the slope formula:

\(m = \dfrac{y_2 - y_1}{x_2 - x_1}\)

Answer 2

exactly as hero said :)

Answer 3

got C @alias

Answer 4

work your math again :(. You misplaced something, the answer is not C

Answer 5

Actually, it would be better if you SHOWED your work. That way we can see exactly what it is you're doing right or wrong and properly point you in the right direction.