Question

Which equation represents the line passing through the points (2, −2) and (−5, 12)?

2x − y = 2
2x + y = 2
x + 2y = 2
x − 2y = 2

Answer 1

y1 and x1 are the y and x coordinates
(make sure the set of coordinates you use for y you use the x coordinate from the same set)
m= gradient