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Unit 2 Test 2 Classwork (Review) State the Quadratic Formula Solve each equation. 1. !" ! + 8 = 1 2. ! !!! + ! ! = ! !!! 3. ! !!! = ! ! ! !!!!! ! !!! 4. ! !!! = !!!! ! ! !!!!! + ! !!! Solve each inequality. State the solution in interval notation. 5. + 5 3 0 6. ! 6 16 > 0

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

!+ 𝑥 − 8 = 1  

 

 

2. !!!!

+ !!= − !

!!!  

3. !!!!

= !!!!!!!!

− !!!!

 

 

 

4. !!!!

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

+ !!!!

 

             Solve  each  inequality.  State  the  solution  in  interval  notation.    

5. 𝑥 + 5 𝑥 − 3 ≤ 0  

 

 

6. 𝑥! − 6𝑥 − 16 > 0  

 

 

 

7. 𝑥! + 5𝑥! ≤ 0  

 

 

8. 2𝑥! + 13𝑥 + 15 < 0  

 

 

 

9. 𝑥! + 12𝑥 + 36 ≤ 0  

 

 

10. 𝑥! + 4 < 0  

 

 

11. 𝑥! + 4𝑥 + 4 > 0  

 

 

12. !!!!< 0  

 

 

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

≥ 0  

 

 

14. !!!!

+ !!!!

> 0