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:

k = -9

Step-by-step explanation:

Sum of zeroes = -b/a = 3

=> -k/3 = 3

=> -k = 3*3 => 9

∴ k = -9 (Multiplied both sides by -1)