Question

if the sum of the zeroes of the quadratic polynomial 3x2 - kx + 6 is 3, then find the value of k.​

Answer 1

Answer:

We have :3x2-Kx+6 is 3

3(3)2-K(3)+6

3 (9)- 3k +6=0

27-3k+6=0

33-3k =0

-3k =33

k =33÷(-3)

k=-11