Question

if one zero of quadratic polynomial X²+3X+K is 2,then value of K is ​

Answer 1

Given:

A zero of a polynomial X²+3X+K is 2.

To find:

The value of k.

Solution:

2 is the zero of the polynomial X²+3X+K that means on putting this value in the equation we get the final answer as 0

• X²+3X+K =0
• 2²+3.2+K = 0
• 4+6+K = 0
• K+10 = 0
• K = -10

So the value of K is -10

Answer 2

Answer:

K = -10

Step-by-step explanation:

   X²+3X+K =0

   2²+3.2+K = 0

   4+6+K = 0

   K+10 = 0

   K = -10

    HOPE IT HELPS U.