Question

Polynomial of lowest degree with zeros of 3/4 (multiplicity 2) and -3/5 (multiplicity 1) and with f(0) = -81

Answer 1

Explanation:

f(x) = a (4x − 3)² (5x + 3)

-81 = a (0 − 3)² (0 + 3)

a = -3

f(x) = -3 (4x − 3)² (5x + 3)