Question

Write a polynomial function of least degree with integral coefficients that has the given zeros.

X = 5
x = -3 (double root)

Answer 1

Explanation:

Write the function as a product of factors:

y = (x − 5) (x − (-3)) (x − (-3))

y = (x − 5) (x + 3) (x + 3)

y = (x − 5) (x + 3)²