The Sum and the Product of the Roots

For quadratic equation $ax^2+bx+c=0$, where $a$, $b$ and $c$ are real numbers.

\begin{equation*}
\mbox{The sum of the roots }= \frac{-b}{a}
\end{equation*}
\begin{equation*}
\mbox{The product of the roots } = \frac{c}{a}
\end{equation*}

Same Topic:

Discriminant Quadratic Formula Remainder Theorem Vertex Form of Quadratic Function