SOLUTION: Determine the value of k in f(x)=2x^3+kx^2-28x-15 such that x-3 is a factor.

Algebra ->  Trigonometry-basics -> SOLUTION: Determine the value of k in f(x)=2x^3+kx^2-28x-15 such that x-3 is a factor.       Log On


   



Question 1181486: Determine the value of k in f(x)=2x^3+kx^2-28x-15 such that x-3 is a factor.


Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x-3 a factor of f, then the roots include +3. f(3)=0. See what you find.