Question

find the value of k if -1 is a zeros of polynomial 12x^2 - 4 x + k

Answer 1

Step-by-step explanation:

0 = 2x^2 - 24x + 72

divide equation by 2

0 = x^2 - 12x + 36

factor

0 = (x - 9)(x - 3)

x = 9 or x = 3