SOLUTION: I need to determine if the given x-value is a zero of the function - show work f(x)=x^3-x^2+4x-4 is x=1 a root OH HELP - dont get at all llo

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need to determine if the given x-value is a zero of the function - show work f(x)=x^3-x^2+4x-4 is x=1 a root OH HELP - dont get at all llo      Log On


   

Question 93767: I need to determine if the given x-value is a zero of the function - show work
f(x)=x^3-x^2+4x-4
is x=1 a root
OH HELP - dont get at all
llo
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = x^3 - x^2 + 4x - 4
f(1) = 1^3 - 1^2 + 4 - 4 = 0
(1,0) .. for x = 1, a zero lies along the function
Info for rest:
graph%28300%2C300%2C-5%2C5%2C-5%2C5%2Cx%5E3+-+x%5E2+%2B+4x+-+4%29