Write a quadratic function whose zeros are -13 and 2

Answer 1

y = (x+13)(x-2)

y = x^2 +11x - 26

f(x) = x^2 +11x -26

f(-13) = 169 + 11(-13) -26 = 169-143-26 = 0

f(2) = 4 +22 -26 = 0