Quadratic Inequalities

1.Solve in real numbers:

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2.Solve in real numbers:

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3.Solve in real numbers:

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4.Find all „a“ so that the following equation would have a possitive solution:

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5.Find all „m“ real numbers so that the following equation would have a root greater or equal 4:

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6.For which „a“ would both the roots of the set of equations be negative ( x<0; y<0 ) ?

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7. Solve in negative integers:

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8.Solve in real numbers:

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9.Solve in real numbers:

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10. Which „x“ fits the inequality:

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