If the roots of the equation $ax^2 + bx + c = 0$ are $r_{1}$ and $r_{2}$, then: Product of roots: $\frac{c}{a}$ Sum of roots: $\frac{-b}{a}$
If the roots of the equation $ax^2 + bx + c = 0$ are $r_{1}$ and $r_{2}$, then: Product of roots: $\frac{c}{a}$ Sum of roots: $\frac{-b}{a}$