MathDB
Quadratic Roots and Coefficients

Source:

February 27, 2008
quadraticsVieta

Problem Statement

Suppose that a a and b b are are nonzero real numbers, and that the equation x^2\plus{}ax\plus{}b\equal{}0 has solutions a a and b b. Then the pair (a,b) (a,b) is
(A)\ (\minus{}2,1) \qquad (B)\ (\minus{}1,2) \qquad (C)\ (1,\minus{}2) \qquad (D)\ (2,\minus{}1) \qquad (E)\ (4,4)