Question

if x= -1/3 is a zero of the polynomial p(x) = 27x^3 - k . then what is the value of k

Answer 1

Answer:

x= -1/3

p(x) = 27x³ - k

p( -1/3) = 27( -1/3)³ - k

     27 (-1/27) - k = 0

    -1 -k = 0

      k = -1