Find the equation of the line shown below in point-slope form.
Let's pick the point on the left to be (x1, y1), so x1 = -2 and y1 = 2:
Now we need to calculate m. We do this by finding the rise and run between the two points:
Now we know:
We're feeling kinda decimal-ish right now, so we can rewrite the slope as m = -1.5 (either way is fine). That means our equation is:
y – y1 = m(x – x1)
y – 2 = -1.5(x + 2)
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