Question

if -2 is zero of the polynomial 3x^2 -kx+2 then value of k is​

Answer 1

Step-by-step explanation:

3x²-kx+2 = 0

3(-2)²-k(-2)+2 = 0

3(4)+2k+2 = 0

12+2k+2 = 0

14 +2k = 0

2k = -14

k = -14/2

k = -7

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Answer 2

Answer:

hey

Step-by-step explanation:

here is ur answer