September 2018 2 26 Report

1.Wzór funkcji f(x)=(2x-3)kwadrat +(x-4)kwadrat -4xkwadrat +10x-16 doprowadz do najprostrzej postaci wykonujac dzialania i redukcje wyrazow podobnych.

a) oblicz miejsca zerowe funkcj

b) oblicz współrzeędne wierzchołka paraboli bedącej wykresem tej funkcji

c) narysuj wykres tej funkcji

2.Rozwiąż równanie 2x-3

------ -1=0 <- to jest rownanie pod kreska

x+1

3.Rozwiąz nierównośc -6xkwadrat +5x-1>0


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