Question

14.
a) If p(x) = x2 + x + k, p(1) = 0, find the value of k

b) If q(x)=x-1, find r(x) = p(x) X 9(x)

c) What number is r (1)?​

Answer 1

Answer:

(a) 1^2+1+k=0

1+1+k=0

2+k=0

k=-2