Question

if one zero of the quadratic polynomial x^2+3+k is 2 find the value of k​

Answer 1

$\mathtt{\huge{ \fbox{Solution :)}}}$

Given ,

The one zeroes of quadratic polynomial x² + 3x + K is 2

It implies that , the quadratic polynomial will be zero at x = 2

Thus ,

(2)² + 3(2) + K = 0

4 + 6 + K = 0

10 + K = 0

K = -10

Hence , the value of K is -10