Question

find the value of k if the zero of the polynomial 3x^2+kx+4 is 4​

Answer 1

Answer:

The value of k is -52.

Step-by-step explanation:

let the given polynomial is denoted by p(x)=3x²+kx+4

and p(4)=0

⇒3(4)²+k×4+4=0

⇒48+4k+4=0

⇒4k= -52

⇒k= -13