Question

19.
If the value of a quadratic polynomial p(x) is only at x = -1 and p(-2) = 2, then the value of
p(2) is
(A) 18
(B) 9
(C) 6
(D) 3​

Answer 1

Answer:

ax2-bx+c=0

4ax2-2bx+c=2

3ax2-bx=2

Thus at p(2) it equals to 6.