Question

1) Use the factor theorem to determine if 3x-4 is a factor of f(x)=3x^2+2x-8

2) Find the value of K so that x+6 is a factor of 6x^3+kx^2-7x-6

Answer 1

Explanation:

put f(4/3)= 3(4/3)^(2) +2(4/3)-8 =0

so 3x-4 is a factor

similarly, k=35