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Quadratic Inequalities

1.Solve in real numbers:

kvadraticke_nerovnice1

Solution:

kvadraticke_nerovnice1r

2.Solve in real numbers:

kvadraticke_nerovnice2

Solution:

kvadraticke_nerovnice2r

3.Solve in real numbers:

kvadraticke_nerovnice3

Solution:

kvadraticke_nerovnice3r

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

kvadraticke_nerovnice4

Solution:

kvadraticke_nerovnice4r

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

kvadraticke_nerovnice5

Solution:

kvadraticke_nerovnice5r

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

kvadraticke_nerovnice6

kvadraticke_nerovnice-6-2

Solution:

kvadraticke_nerovnice6r

7. Solve in negative integers:

Solution:

8.Solve in real numbers:

Solution:

9.Solve in real numbers:

Solution:

10. Which „x“ fits the inequality:

Solution:

For the inequality, x = 1.