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Unit  2  Test  2  Classwork  (Review)    State  the  Quadratic  Formula              Solve  each  equation.    1. !"

!+ π‘₯ βˆ’ 8 = 1  

 

 

2. !!!!

+ !!= βˆ’ !

!!!  

3. !!!!

= !!!!!!!!

βˆ’ !!!!

 

 

 

4. !!!!

= !!!!!!!!!!!

+ !!!!

 

             Solve  each  inequality.  State  the  solution  in  interval  notation.    

5. π‘₯ + 5 π‘₯ βˆ’ 3 ≀ 0  

 

 

6. π‘₯! βˆ’ 6π‘₯ βˆ’ 16 > 0  

 

 

 

7. π‘₯! + 5π‘₯! ≀ 0  

 

 

8. 2π‘₯! + 13π‘₯ + 15 < 0  

 

 

 

9. π‘₯! + 12π‘₯ + 36 ≀ 0  

 

 

10. π‘₯! + 4 < 0  

 

 

11. π‘₯! + 4π‘₯ + 4 > 0  

 

 

12. !!!!< 0  

 

 

13. !!!!"!!! !!!!

β‰₯ 0  

 

 

14. !!!!

+ !!!!

> 0