A quadratic equation is an equation that contains four terms and is in standard form ax2 + bx + c = 0. For example, 3x2 + 5x - 2 = 0 Solve by factoring the equation: (3x - 1) (x + 2) = 0 Use the Principal of Zero Products (which says that if the product of two factors is zero, then at least one of those factors is zero) to set each one of those factors to zero. Then solve accordingly. (3x - 1) = 0 (x + 2) = 0 3x = 1 x = -2 x = 1/3 These are the solutions.
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Put the quadratic equation into standard form; identify the coefficients (a, b, c), replace them in the equation, do the calculations.
You replace x = 0, and do the calculations.
An expression is quadratic is the equation is in the form ax2 + bx + c. a, b, and c are all constants. They may be different or equal.
the graph for a quadratic equation ct5r
THERE ARE TWO TYPES OF QUADRATIC EQUATION1) complete quadratic equation2) incomplete quadratic equation