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In a quadratic equation, the discriminant helps tell you the number of real solutions to a quadratic equation. In this tutorial, see how to find the discriminant of a quadratic equation and use it to determine the number of solutions!
Yes and yes! This shape that the swing outlines is an example of what a quadratic equation gives you when you graph it. In math, we define a quadratic equation as an equation of degree 2, meaning that the highest exponent of this function is 2. The standard form of a quadratic is y = ax ^2 + bx + c, where a, b, and c are numbers and a cannot be 0. Examples of quadratic equations include all of these: 1  y = x ^2 + 3 x + 1.