Question

How do you find the slope of the secant lines of `f(x) = -x^2` through the points: [-2, -4]?

Answer 1

`6`

Explanation:

`"the slope of the secant line is"`

`•color(white)(x)(f(b)-f(a))/(b-a)`

`f(b)=f(-2)=-(-2)^2=-4`

`f(a)=f(-4)=-(-4)^2=-16`

`rArr(-4-(-16))/(-2-(-4))=12/2=6`