1. The problem asks about the roots of a quadratic equation.
2. A quadratic equation is generally written as $ax^2 + bx + c = 0$ where $a \neq 0$.
3. The roots of the quadratic equation are the values of $x$ that satisfy this equation.
4. The roots correspond to the solutions of the equation and can be found using the quadratic formula:
$$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$
5. Here, $b^2 - 4ac$ is called the discriminant and determines the nature of the roots:
- If the discriminant is positive, there are two distinct real roots.
- If it is zero, there is exactly one real root (a repeated root).
- If it is negative, the roots are complex conjugates.
6. The roots correspond to the $x$-intercepts of the parabola represented by the quadratic function $y = ax^2 + bx + c$.
7. Thus, the roots of a quadratic correspond to the points where the graph of the quadratic crosses or touches the $x$-axis.
Quadratic Roots 7774Ed
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