Chapters
- Solve the Quadratic Inequalities
- Exercise 1
- Exercise 2
- Exercise 3
- Exercise 4
- Exercise 5
- Exercise 6
- Exercise 7
- Exercise 8
- Exercise 9
- Exercise 10
- Solution of exercise 1
- Solution of exercise 2
- Solution of exercise 3
- Solution of exercise 4
- Solution of exercise 5
- Solution of exercise 6
- Solution of exercise 7
- Solution of exercise 8
- Solution of exercise 9
- Solution of exercise 10
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Solve the Quadratic Inequalities
Exercise 1

Exercise 2
Exercise 3
Exercise 4

Exercise 5

Exercise 6

Exercise 7

Exercise 8

Exercise 9
Exercise 10
Solution of exercise 1


=





Solution of exercise 2


As a number squared is always positive.
S = 
Solution of exercise 3


The sign obtained coincides with the inequality, the solution is 
Solution of exercise 4



Solution of exercise 5


Solution of exercise 6





Solution of exercise 7

Solution of exercise 8
The first factor is always positive.





Solution of exercise 9



Solution of exercise 10



The second factor is always positive and different to 0.










