To find the slope with two points use this simple equation [tex] \frac{y2 - y1}{x2 - x1} [/tex] Then plug in the numbers [tex] \frac{6 - 4}{ (- 10) - (- 5)} [/tex] Now solve [tex] \frac{2}{ - 5} [/tex] Your slope is [tex] \frac{2}{ - 5} [/tex] or -0.4