1.

If ‒2 is a zero of the polynomial 3x2 + 4x + 2k then find the value of k.

Answer»

Given: -2 is one of zeroes of the polynomial 3x2 + 4x + 2k , which means x = -2 will satisfy it.

3(-2)2 + 4(-2) + 2k = 0

12 – 8 + 2k = 0

4 + 2k=0

k = -2

The value of k is -2.



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