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:

3x²-kx+6

x=3

3×3²-3k+6=0

3×9-3k+6=0

27-3k+6=0

33-3k=0

33=3k

k=33/3

k=11