September 2018 1 29 Report

Są to nierówności kwadratowe.Po prostu oblicz i narysuj wykres.

1)(x-2)(x+3)≤0

2)x²+8x>0

3)x²-9≤0

4)x²+2>0

5) (x-6)(x-3)≥0

6)3x-6x²+7<0


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