00:01
All right, so we're given two points here, negative six, six being one of those points, and three, three being the other one.
00:09
And we want to write the equation of a line that runs through these two points in two different forms.
00:13
We're going to do it in point slope form, and we're going to do it in slope intercept form.
00:17
Either way, we need to know what slope is.
00:19
So here we go.
00:21
I'm going to do the changing my y values on top.
00:28
So six minus three.
00:32
In y over the change in x so that's going to be negative six minus three and this will give me three over negative nine or negative one -third okay so we get the slope is negative one -third now we can write this in point slope form all right so i'm going to use these threes over here i think that's going to be my easiest route.
01:05
So i'm going to go y minus my y value equals negative one -third.
01:16
That's my slope times x minus my x value, which is also three.
01:24
So there we've got the equation of a line that runs through those two points in point slope form.
01:31
Now i have to write it in slope intercept form.
01:33
By the way, i could have used the green point too, but we'll just use this one since it's kind of ugly with the fractions...