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Determinants and Cramer's Rule

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Determinants and Cramer's Rule Lesson 1 Determinants and Cramer's Rule for 2x2's
 crunch some  ( determinants )
crunch some  ( Cramer's Rule )
Determinants and Cramer's Rule Lesson 2 Determinants for 3x3's - Method 1
 crunch some
Determinants and Cramer's Rule Lesson 3 Determinants for 3x3's - Method 2
 crunch some
Determinants and Cramer's Rule Lesson 4 Cramer's Rule for 3x3's
 crunch some

Determinants and Cramer's Rule Practice
 This is a listing of the "crunch some" problems for this chapter
Determinants - 2x2's

Example: | ( -4, 7 ) ( 5, -2 ) |

 Determinants - 3x3's

Example: | ( -4, 7, -1 ) ( 5, -2, 3 ) ( -6, 0, 8 ) |
Cramer's Rule for solving 2x2 systems

Example: Solve 2x-5y=22 and 3x+7y=-25

Cramer's Rule for solving 3x3 systems

Example: Solve x-3y+5z=-14 and 2x+y-6z=20 and 3x-2y+z=0

 

 

 

 

 

 

 

 

 

 

 

 

 

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