If 4 is a zero of f(x)= 3x^3 + kx -2 find the value of k

Ace Duran 2022-08-05 Answered
If 4 is a zero of f ( x ) = 3 x 3 + k x 2 find the value of k
You can still ask an expert for help

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more

Solve your problem for the price of one coffee

  • Available 24/7
  • Math expert for every subject
  • Pay only if we can solve it
Ask Question

Answers (1)

Jakob Chavez
Answered 2022-08-06 Author has 14 answers
If 4 is a zero of f(x), then f(4)=0.
f ( 4 ) = 0 = 3 ( 4 ) 3 + 4 k 2.
190+4k=0
4k=-190
k=-47.5
Not exactly what you’re looking for?
Ask My Question

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more