Question

How do you find the asymptotes for `(2x - 4) / (x^2 - 4)`?

Answer 1

`x=-2`

Explanation:

if you factorise :

`[2(x-2)]/[(x-2)(x+2)]`

`x-2` cancels

`2/(x+2)`

If `x=-2` then we will have zero as the denominator so this would give the asymptote