November 2018 1 39 Report

Rozwiąż nierówności:

a)x^{2} -x-6 \geq0

b)x^{2} - 3x-4\leq0

c)-x^{2} + 4x+5>0

d)2x^{2}+ 5x-3<0

e)6x^{2}-x-12>0

f)\frac{1}{2}x^{2}+3x+8\geq0

g)-2x^{2}+6x-\frac{9}{2}>0

h)-3x^{2}+2x-\frac{1}{3}\leq0

i)x^{2}+2x+2>0

j)-9x^{2}+2x-\frac{1}{9}<0


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