SOLUTION: f of(x)=x(to the third)-5x(squared)-25x+125, find the zeros. For each zero you find, state whether the graph of f(s)crosses or only touches the x-axis.

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: f of(x)=x(to the third)-5x(squared)-25x+125, find the zeros. For each zero you find, state whether the graph of f(s)crosses or only touches the x-axis.      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 62481: f of(x)=x(to the third)-5x(squared)-25x+125, find the zeros. For each zero you find, state whether the graph of f(s)crosses or only touches the x-axis.
Answer by stanbon(48564) About Me  (Show Source):
You can put this solution on YOUR website!
f of(x)=x(to the third)-5x(squared)-25x+125, find the zeros. For each zero you find, state whether the graph of f(s)crosses or only touches the x-axis.
---------------
f(x)=x^3-5x^2-25x+125
By graphing I find:
x=-5 is a zero that cosses the x-axis
x=5 is a zero that only touches the x-axis.
Cheers,
Stan H.