Question

if -2is a zero of polynomial 3x2+4x+2k what is the value of k ?​

Answer 1

Answer:

The value of is -2

Step-by-step explanation:

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

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Answer 2

Answer:

p(-2) = 3×2+4x+2k

3×2+4×(-2)+2k

6-8+2k

-2+2k

2= 2k

hence k = 1