if the sum of the zeroes of the quadratic polynomial 3×2 – kx + 6 is 3, then find the value of k.

Question

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

Mackenzie · Answer

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

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if the sum of the zeroes of the quadratic polynomial 3×2 – kx + 6 is 3, then find the value of k.​