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Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 53RE
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1) Using Cramer's rule, which determinant of the following matrices is used as the numerator to solve for x,?
x + 2z = 5
3x + z = 4
[1 2
1
5
- - - +43
13
b)
d)
L3
1.
<<>>
a)
+
153
4
2) From problem 1, which of the following will give us the value of z?
2
2
113 311
115 311
4
1.
1
3
[5]
L3 41
b)
1211
3
1132 511
4
2]1
3
d)
2
113311
1123 511
Transcribed Image Text:1) Using Cramer's rule, which determinant of the following matrices is used as the numerator to solve for x,? x + 2z = 5 3x + z = 4 [1 2 1 5 - - - +43 13 b) d) L3 1. <<>> a) + 153 4 2) From problem 1, which of the following will give us the value of z? 2 2 113 311 115 311 4 1. 1 3 [5] L3 41 b) 1211 3 1132 511 4 2]1 3 d) 2 113311 1123 511
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