SOLUTION: need to determine if the given x-value is a zero of the function - show work f(x)=x^3 + 5x^2 + 2x - 8 **is x = -2 a root HLEP PLEASE LLO

SOLUTION: need to determine if the given x-value is a zero of the function - show work f(x)=x^3 + 5x^2 + 2x - 8 **is x = -2 a root HLEP PLEASE LLO

Algebra.Com

Question 94128: need to determine if the given x-value is a zero of the function - show work
f(x)=x^3 + 5x^2 + 2x - 8
**is x = -2 a root
HLEP PLEASE
LLO
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
substitute -2 for x and see if you get zero.
If you do, -2 is a zero or root of the equation.
Cheers,
Stan H.
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