Question

If one zero o the quadratic polynomial 4x2_8kx_9 is negative of the other,find k

Answer 1

Answer: 0

Step-by-step explanation:

If one zero is negative of the other, then their sum is 0.

So 8k/4=0

K=0

Answer 2

Answer:

Step-by-step explanation:

Let one zero to be alpha

Second to be beta

According to give condition

Alpha=-beta......(1)

So,

Alpha + beta =-b/a

Using eq.1

-beta+beta=-(-8k/4)

0=2k

So,value of k is 0