Roots of Quadratic
Source:
February 11, 2009
quadratics
Problem Statement
If and are the roots of x^2\minus{}px\plus{}q\equal{}0, then r^2\plus{}s^2 equals:
(A)\ p^2\plus{}2q \qquad
(B)\ p^2\minus{}2q \qquad
(C)\ p^2\plus{}q^2 \qquad
(D)\ p^2\minus{}q^2 \qquad
(E)\ p^2