Find the slope of the curve at y=x^6 at x=-3.


I know that to find the slope you do y2 - y1 / x2 - x1 but I do not know what to do here.

Slope of the curve at,

y = x^6 at x = -3

y' = 6x^5
at x = -3
6(-3)^5 = -1458