Chapter 5  Objective 4.1  Exercises

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Evaluate the determinant.

1.  

2.  

3.  

4.  

5.  

Solve by using Cramer's Rule.

6.  

2 x - 3 y = 5

5 x - 2 y = 18

7.  

4 x - 3 y = 7

3 x - 5 y = 8

8.  

5 x + 3 y = 6

4 x - 2 y = -4

9.  

 x + 3 y +  z = 5

3 x -  y + 2 z = 2

2 x +  y -  z = -4

10.  

3 x - 2 y + 4 z = 7

5 x - 3 y -  z = 12

4 x + 3 y + 5 z = 15

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