Root of a Quadratic
Source:
March 3, 2010
quadratics
Problem Statement
It is given that one root of 2x^2 \plus{} rx \plus{} s \equal{} 0, with and real numbers, is 3\plus{}2i (i \equal{} \sqrt{\minus{}1}). The value of is:
(A)\ \text{undetermined} \qquad
(B)\ 5 \qquad
(C)\ 6 \qquad
(D)\ \minus{}13 \qquad
(E)\ 26