Math 112        Test 2    7 pts each  (2 pts free!)    Feb 12, 2004


                                                                                                                                                                        Solve for x:

 

1.   5x - (3x - 4 ) - 2 = 5 - 2(3x + 2)

 

 

2.    x2 - x - 2 = 0

 

3.      x2 -4x = 6

 

4.   (2x - 5)2 = 9

 

Solve for x, leave answer in inequality notation

 

5.   | x - 4 | < 9

 

6.  | 3 - 4x | ³ 6


 

7.  |x + 5 | > 3

 

8.  | 5 + 3x | > 4

 

 

 

Write in a + bi form (standard form)

 

9. 

 

10.  (2i)(-4i)

 

11.  (3 - 2i)(3 + 2i)

 

12. 

 

 

13.  i44

 

 

 

14.  Write x is less than 5 units from -3 in absolute value notation.