January 2019 1 10 Report
Rozwiąż nierówności - halp!
a) -1/2 x^2 + 3x + 8 ≥ 0
b) x^2 + 2x + 2 > 0
c) 3x^2 - x - 2 > 0
d) 4x^2 ≤ 1
e) 9x^2 ≥ 1
f) - 2x^2 - 3x + 2 > 0
z funkcji kwadratowych

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