Choice A is the correct answer. Read from Point-Slope form.

1. Form: $y - y_1 = m(x - x_1)$.
2. Identify: $m$ is the number in front of the parentheses.
3. Result: $-2$.

💡 Strategic Tip: No calculation needed!

Choice B is incorrect because sign error. Choice C is incorrect because it is the x-coordinate. Choice D is incorrect because it is the y-coordinate.