Question

If the sum of the zeros of the quadratic polynomial kx² – 3x + 5 is 1, write the value of k.

Answer 1

By using the relationship between the zeroes of the quadratic polynomial.

We have 

Sum of zeroes = `(-("Coefficient of"  x))/(("Coefficient of"  x^2))` 

⇒ `1 = (-(-3))/k` 

⇒ k = 3