Question

if the one zero of the quadratic polynomial p(x)=x squire 2+4mx-25 find m ​

Answer 1

Answer:

If one zero of the quadratic polynomial p(x)=4x  

2

−8xk−9 is negative of the other, find the value of k.

Step-by-step explanation:

The question says one root is negative of others.

So, the sum of the roots must be zero.

For any quadratic equation

Like : ax  

2

+bx+c=0

The sum of roots is given by  

a

−b

​  

 

So, in this equation : 4x  

2

−8ka−9

b=−8k & a=4

So, 0=  

a

−b

​  

 

4

−(−8k)

​  

=0

2k=0⇒k=0

Answer 2

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