Help with an Algebra problem!

[From: ] [author: ] [Date: 12-12-04] [Hit: ]

find the inverse of the quadratic function y=x^2-1

x = y^2 -1
x+1 = y^2

y = +/- sqrt(x+1)

x = y^2 -1

move 1 to right hand side

x+1 = y^2

y = sqrt(x+1)

keywords: an,problem,Help,with,Algebra,Help with an Algebra problem!