AM-1344

Quadratics that are always positive or negative

A Math · Secondary 4 · Medium · Quadratics that are always positive or negative

1. $p>-4+2\sqrt5$
2. $p<-4-2\sqrt5$
3. $-4-2\sqrt5<p<-4+2\sqrt5$
4. $p>4+2\sqrt5$

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