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quadratic equation in all forms. You can calculate the discriminant b2 - 4ac first. The numbers a b and c are the coefficients of the equation and may be distinguished by calling them respectively the quadratic coefficient the linear.
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There is a reason for this. The Standard Form of a Quadratic Equation looks like this. X b b 2 4 a c 2 a.
If b 2 4ac 0 the equation has two real solutions.
Solve an equation of the form a x 2 b x c 0 by using the quadratic formula. Factoring using the quadratic formula and completing the square. U2 4u 32 0 u 8u 4 0 u 8 or u 4. Here x is the unknown value and a b and c are variables.
