Question

For what value of k is -2 a zero of the polynomial 3x square+ 4x+2k​

Answer 1

Answer:

Given: x = –2 is one zero of the polynomial 3x2 + 4x + 2k Therefore, it will satisfy the above polynomial. Now, we have 3(–2)2 + 4(–2)1 + 2k = 0 ⇒ 12 – 8 + 2k = 0 ⇒ k = – 2 Read more on Sarthaks.com - https://www.sarthaks.com/129600/if-2-is-a-zero-of-the-polynomial-3x-2-4x-2k-then-find-the-value-of-k

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