Question

How do I find out which coordinate is the first one and second one? Like x1 and y1 and x2 and y2

Answer 1

Here's the graph

Answer 2

You can do it either way

Answer 3

If you write

(-3, -1) and (1/2, 2)

then -1 is y1 and 2 is y2

but if you write

(1/2, 2) and (-3, -1)

then 2 is y1 and -1 is y2

You will get the same answer either way

Answer 4

Well, I tried that, and I didn't get the right answer. Here's the full equation.

Answer 5

If you are looking for slope, which we are, it works both ways. With (-3, -1) and (1/2, 2)

m = (2 - -1)/(1/2 - -3) = 6/7

and with (1/2, 2) and (-3, -1)

m = (-1 - 2)/(-3 - 1/2) = -6/-7 = 6/7

Answer 6

Ooh ok, thank you!