Question

If the sum of zeros of polynomial f(x) = kx2-5x+9 is -2 find the value of k

Answer 1

Hey

Here is your answer,

kx^2 - 5x + 9 = 0
Sum of zeroes = -b/a
= 5/k
5/k = -2
k = -5/2

Hope it helps you!

Answer 2

sum of zeros of polynomial is -b/a = 5/k = -2 ==> k=-5/2