Question

given q(x)=kx2-5x+8. where one of its zeroes is 8 which of the following polynomials is q(x)​

Answer 1

Answer:

Step-by-step explanation:

In the quadratic polynomial ax  

2

+bx+c

sum of zeroes=−  

a

b

​  

 

product of zeros=  

a

c

​  

 

The given quadratic polynomial kx  

2

+5x+3k

According to question,

sum of zeros=product of zeros

⇒−  

k

5

​  

=  

k

3k

​  

 

⇒k=−  

3

5

​

Answer 2

mate if

Q-kx²-5x+8 so please write the question in that way of i guess right than givee 4 starts i will correct the answere ok ☮️

Step-by-step explanation:

$g(x) = 8 \\ p(x) = kx2 - 5x + 8 \\ 0 = k \times 8( 2 )- 5 ( 8) + 8 \\ 0 = 16k - 40 + 8 \\ 0 = - 32 + 16k \\ 32 = 16k \\ k = 2$

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