Intermediate Algebra (7th Edition)
7th Edition
ISBN: 9780134196176
Author: Elayn Martin-Gay
Publisher: PEARSON
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Question
Chapter PFE, Problem 36PFE
To determine
The equation of line passing through points
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a
Question 7. If det d e f
ghi
V3
= 2. Find det
-1
2
Question 8. Let A = 1
4
5
0
3
2.
1 Find adj (A)
2 Find det (A)
3
Find A-1
2g 2h 2i
-e-f
-d
273
2a 2b 2c
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?
Question 5. Let A, B, C ben x n-matrices, S is nonsigular. If A = S-1 BS, show that
det (A) = det (B)
Question 6. For what values of k is the matrix A = (2- k
-1
-1
2) singular?
k
Chapter PFE Solutions
Intermediate Algebra (7th Edition)
Ch. PFE - Prob. 1PFECh. PFE - Prob. 2PFECh. PFE - Prob. 3PFECh. PFE - Prob. 4PFECh. PFE - Prob. 5PFECh. PFE - Prob. 6PFECh. PFE - Prob. 7PFECh. PFE - Prob. 8PFECh. PFE - Prob. 9PFECh. PFE - Prob. 10PFE
Ch. PFE - Prob. 11PFECh. PFE - Prob. 12PFECh. PFE - Prob. 13PFECh. PFE - Prob. 14PFECh. PFE - Prob. 15PFECh. PFE - Prob. 16PFECh. PFE - Prob. 17PFECh. PFE - Prob. 18PFECh. PFE - Prob. 19PFECh. PFE - Prob. 20PFECh. PFE - Prob. 21PFECh. PFE - Prob. 22PFECh. PFE - Prob. 23PFECh. PFE - Prob. 24PFECh. PFE - Prob. 25PFECh. PFE - Prob. 26PFECh. PFE - Prob. 27PFECh. PFE - Prob. 29PFECh. PFE - Prob. 30PFECh. PFE - Prob. 31PFECh. PFE - Prob. 32PFECh. PFE - Prob. 33PFECh. PFE - Prob. 34PFECh. PFE - Prob. 35PFECh. PFE - Prob. 36PFECh. PFE - Prob. 37PFECh. PFE - Prob. 38PFECh. PFE - Prob. 39PFECh. PFE - Prob. 40PFECh. PFE - Prob. 41PFECh. PFE - Prob. 42PFECh. PFE - Prob. 43PFECh. PFE - Prob. 44PFECh. PFE - Prob. 45PFECh. PFE - Prob. 46PFECh. PFE - Prob. 47PFECh. PFE - Prob. 48PFECh. PFE - Prob. 49PFECh. PFE - Prob. 50PFECh. PFE - Prob. 51PFECh. PFE - Prob. 52PFECh. PFE - Prob. 53PFECh. PFE - Prob. 54PFECh. PFE - Prob. 55PFECh. PFE - Prob. 56PFECh. PFE - Prob. 57PFECh. PFE - Prob. 58PFECh. PFE - Prob. 59PFECh. PFE - Prob. 60PFECh. PFE - Prob. 61PFECh. PFE - Prob. 62PFECh. PFE - Prob. 63PFECh. PFE - Prob. 64PFECh. PFE - Prob. 65PFECh. PFE - Prob. 66PFECh. PFE - Prob. 67PFECh. PFE - Prob. 68PFECh. PFE - Prob. 69PFECh. PFE - Prob. 70PFECh. PFE - Prob. 71PFE
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