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 = 11

Step-by-step explanation:

p(x) = 3x² - kx + 6

p (3) = 3 x 3² - k x 3 + 6 = 0

→ 3 x 9 - 3k + 6 = 0

→ 27 - 3k + 6 = 0

→ 33 - 3k = 0

→ - 3k = - 33

→ 3k = 33

→ k = $\frac{33}{3}$ = 11

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