quadratic
y=x²
A quadratic is a polynomial function of degree 2, which means its highest exponent is 2. A quadratic function has the form f(x) = ax² + bx + c, where a, b, and c are real numbers, and a is not equal to 0. The graph of a quadratic is a parabola, which can either be facing up or down depending on whether a is positive or negative. The vertex of the parabola is the point at the bottom or top of the curve, and can be found using the formula x = -b/2a, y = f(x). Quadratics are useful in many areas of math and science, such as physics, economics, and engineering.
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