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Sum of Roots

Source: 1968 AHSME Problem #13

September 7, 2011
quadraticsVietaAMC

Problem Statement

If mm and nn are the roots of x2+mx+n=0x^2+mx+n=0, m≠0m\ne0, n≠0n\ne0, then the sum of the roots is:
<spanclass=′latex−bold′>(A)</span> −12<spanclass=′latex−bold′>(B)</span> −1<spanclass=′latex−bold′>(C)</span> 12<spanclass=′latex−bold′>(D)</span> 1<spanclass=′latex−bold′>(E)</span> Undetermined<span class='latex-bold'>(A)</span>\ -\dfrac{1}{2} \qquad <span class='latex-bold'>(B)</span>\ -1 \qquad <span class='latex-bold'>(C)</span>\ \dfrac{1}{2} \qquad <span class='latex-bold'>(D)</span>\ 1 \qquad <span class='latex-bold'>(E)</span>\ \text{Undetermined}
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