SOLUTION: How many horizontal asymptotes does the rational function f(x)=-2x^2/x^2+1 have? I can not figure this problem out, my answer was -2, but my online test says that it is wrong. ple

Algebra ->  Rational-functions -> SOLUTION: How many horizontal asymptotes does the rational function f(x)=-2x^2/x^2+1 have? I can not figure this problem out, my answer was -2, but my online test says that it is wrong. ple      Log On


   

Question 810847: How many horizontal asymptotes does the rational function f(x)=-2x^2/x^2+1 have?
I can not figure this problem out, my answer was -2, but my online test says that it is wrong. please help
Found 2 solutions by erica65404, richwmiller:
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
-2 is the horizontal asymptote but it appears to be asking the amount of horizontal asymptotes so the answer would be 1.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
the asymptote is when x^2+1=0
what will make x^2+1=0
If x^2=-1
if x=i