October 2018 2 21 Report

1.Rozwiąż równania:

a) x²-6x+9=0

b) x²-x+5=0

c) -x²-x+2=0

2.Rozwiąz nierówności kwadratowe:

a) x²-x-6>0

b) x²-4x<0

c) -3x²+x+2≥0

d) x²-4x+4>0


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