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# Linear & Quadratic Equations & Inequalities: Quadratic Equations

A quadratic equation is an equation of the form ax2 + bx + c = 0 where a, b, c are constants such that a and b ≠ 0 and x is an unknown quantity (variable). The numbers a, b and c are called the coefficients of the quadratic equation; a is the coefficient of x2, b is the coefficient of x and c is the constant term.For example: 6x2 + 5x − 3 is a quadratic equation. Here, a = 3, b = 2, c = −1The difference between a linear and quadratic equation is the degree of the variable 'x'.Roots or Zeroes of a Quadratic EquationThe values of the variable x satisfying the given equation are called its Roots.For example, x = 1 is a root of the

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