Question

if one zero of the quadratic polynomial kx2 +3x+k is 2 then the value of kis​

Answer 1

Answer:

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...thanks my 39 answers

......one zero of the polynomial is 2.

putting x=2 in the equation...

K. (2)²+3×2+k = 0

4k+6+k = 0

5k+6 = 0

5k = —6

K = —6/5

....hence, the value of K is —6/5.

Answer 2

p(x) =kx²+3x+k

p= (2)²+3(2)+k

p = 4+6+k

p = 10+k =0

p=k=0-10

p=k=-10