Question

How do you solve `(x-2)/(x+4)<=0` using a sign chart?

Answer 1

`x in (-4, 2] subset RR`

Explanation:

Parabola: `(x - 2)(x + 4) <= 0 and x ne -4`

signs: `++ (-4)- - (2)+ +`

`-4 < x <= 2`