Question

sum of the zeros of the polynomial p(x)=x2-kx+9 is 7 find the value of k​

Answer 1

Answer:

Given polynomial,

p(x)=x2-kx+9

Given, sum of Zeros = 7

We know that,

Sum of Zeros = -b/a

7 = -(-k)/1

7 = k/1

k = 7