Question

If the sum of the zeroes of quadratic polynomial 3x² - kx + 6 is -1 then the value of k is : (a) 3 (b)-3 (c)-9 (d) 9​

Answer 1

Answer:

-9

Step-by-step explanation:

=3(-1)^-K-1+6

=3+K+6

=K+9

K=-9