Quadratic equations: Parabola
Quadratics
Quadratics
A formula is called a quadratic if it has the form where , , and are numbers and .
Example
Reducing to standard form
Quadratics can be expressed in a number of different ways. By expanding the brackets, it becomes clear whether the formula is indeed a quadratic and what the values of , , and are.
Example
When we compare with , we find
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