ALEKS 360 ONLINE ACCESS (18 WEEKS) FOR
2nd Edition
ISBN: 9781266885068
Author: Miller
Publisher: McGraw Hil
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Chapter A1, Problem 58PE
For Exercises 49-58, solve the system by using Cramer’s rule, if possible. Otherwise, use another method. If a system does not have a unique solution, determine the number of solutions and whether the system is inconsistent or the equations are dependent. (See Example 8.)
58.
Example 8
Analyzing a Dependent System of Equations Solve the system by using Cramer’s rule if possible.
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Question 1. Solve the system
-
x1 x2 + 3x3 + 2x4
-x1 + x22x3 + x4
2x12x2+7x3+7x4
Question 2. Consider the system
= 1
=-2
= 1
3x1 - x2 + ax3
= 1
x1 + 3x2 + 2x3
x12x2+2x3
= -b
= 4
1 For what values of a, b will the system be inconsistent?
2 For what values of a, b will the system have only one solution?
For what values of a, b will the saystem have infinitely many solutions?
Chapter A1 Solutions
ALEKS 360 ONLINE ACCESS (18 WEEKS) FOR
Ch. A1 - 1. a. Given the matrix , the of A is...Ch. A1 - Prob. 2PECh. A1 - Prob. 3PECh. A1 - Prob. 4PECh. A1 - Prob. 5PECh. A1 - Prob. 6PECh. A1 - Prob. 7PECh. A1 - Prob. 8PECh. A1 - Prob. 9PECh. A1 - Prob. 10PE
Ch. A1 - Prob. 11PECh. A1 - Prob. 12PECh. A1 - Prob. 13PECh. A1 - Prob. 14PECh. A1 - Prob. 15PECh. A1 - Prob. 16PECh. A1 - Evaluate the determinant of matrix B, using...Ch. A1 - Prob. 18PECh. A1 - Prob. 19PECh. A1 - Prob. 20PECh. A1 - Prob. 21PECh. A1 - Prob. 22PECh. A1 - Prob. 23PECh. A1 - Prob. 24PECh. A1 - Prob. 25PECh. A1 - Prob. 26PECh. A1 - Prob. 27PECh. A1 - Prob. 28PECh. A1 - Prob. 29PECh. A1 - Prob. 30PECh. A1 - Prob. 31PECh. A1 - Prob. 32PECh. A1 - Prob. 33PECh. A1 - Prob. 34PECh. A1 - Prob. 35PECh. A1 - Prob. 36PECh. A1 - Prob. 37PECh. A1 - Prob. 38PECh. A1 - Prob. 39PECh. A1 - Prob. 40PECh. A1 - Prob. 41PECh. A1 - Prob. 42PECh. A1 - Prob. 43PECh. A1 - Prob. 44PECh. A1 - Prob. 45PECh. A1 - Prob. 46PECh. A1 - Prob. 47PECh. A1 - Prob. 48PECh. A1 - Prob. 49PECh. A1 - Prob. 50PECh. A1 - Prob. 51PECh. A1 - Prob. 52PECh. A1 - Prob. 53PECh. A1 - Prob. 54PECh. A1 - Prob. 55PECh. A1 - Prob. 56PECh. A1 - For Exercises 49-58, solve the system by using...Ch. A1 - For Exercises 49-58, solve the system by using...Ch. A1 - Prob. 59PECh. A1 - Prob. 60PECh. A1 - Prob. 61PECh. A1 - Prob. 62PECh. A1 - Prob. 63PECh. A1 - Prob. 64PECh. A1 - Prob. 65PECh. A1 - Prob. 66PECh. A1 - Prob. 67PECh. A1 - Prob. 68PECh. A1 - Prob. 69PECh. A1 - Prob. 70PECh. A1 - Prob. 71PECh. A1 - Prob. 72PE
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