New South Wales contains 549 separate Protected Areas with a total land area of 4,953,271 hectares (6.18% of the state’s area). 150 of these are National parks, totalling 4,172,308 hectares (5.21% of the state’s area).
... {b^2-4ac}}{2a}
</math>
The term b2 – 4ac is called the discriminant of the quadratic equation, because it discriminates between three qualitatively ...