Question

If ½ is a root of the equation x²+kx –



= 0, then the value of k is

a. 2 b. -2 c. ¼ d. ½ ​

Answer 1

Answer:

c)1/4

Step-by-step explanation:

let x be 1

1×1+k×1=0

0/1=I

x be 0

0+k×0=0