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  • If one of the zeros of the quadratic polynomial  is <img alt="2" src="https://learn.careers360.com/latex-image/?%5Cinl

If one of the zeros of the quadratic polynomial x^{2}+3x+k is 2, then the value of k is

 

-10

 

 

-7

 

-2

 

Answers (1)

Given one of the zeroes of x^2+3x+k is 2

Therefore

p(2)=0

That is put the value of x=2 in the given polynomial

\\p(2)=0\\implies\\2^2+3\times2+k=0\\4+6+k=0\\10+k=0 \\k=-10

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Safeer PP

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