Quadratic equations are algebraic equations of the form ax^2 + bx + c = 0, where a, b, and c are coefficients and x is a variable. These equations represent a curved graph called a parabola. Quadratic equations can be solved using various methods such as factoring, completing the square, or using the quadratic formula. They are commonly used in physics, engineering, and other scientific fields to model or describe natural phenomenon like the motion of projectiles.
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