00:01
This problem probably makes the most sense if you just use the slope formula, you know, change in y over change in x, so y2 minus y1 over x2 minus x1.
00:12
Because all you can do in this problem is substitute the appropriate y coordinates and the appropriate x coordinates.
00:22
So in this problem, when you have the order pair ab, just make a decision that if that's going to be your first x coordinate, b has to be your first y coordinate.
00:33
So i'm just substituting, you know, a's, a for x1, and b for y one.
00:40
And then the other order pair, c and d.
00:45
So that's my second x coordinate.
00:49
My second y coordinate.
00:53
We're messed up with both of those there...