September 2018 1 18 Report

zbadaj liczbę rozwiązań równania w zależności od parametru m
a) x^{2}+mx-1=0

b) x^{2}+(m-3)x+1=0
c) x^{2}+(m+4)x+m^{2}=0

d) -4x^{2}+(m+7)x-m^{2}=0

e) x^{2}+(m+5)x+1/4(m+5)^{2}=0


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