Intermediate Algebra
5th Edition
ISBN: 9781259610233
Author: Julie Miller, Molly O'Neill, Nancy Hyde
Publisher: McGraw-Hill Education
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Chapter R3, Problem 10PE
To determine
What will be the absolute value of a negative number.
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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 R3 Solutions
Intermediate Algebra
Ch. R3 - Prob. 1PECh. R3 - Prob. 2PECh. R3 - Prob. 3PECh. R3 - Prob. 4PECh. R3 - Prob. 5PECh. R3 - Prob. 6PECh. R3 - Prob. 7PECh. R3 - Prob. 8PECh. R3 - Prob. 9PECh. R3 - Prob. 10PE
Ch. R3 - Prob. 11PECh. R3 - Prob. 12PECh. R3 - Prob. 13PECh. R3 - Prob. 14PECh. R3 - Prob. 15PECh. R3 - Prob. 16PECh. R3 - Prob. 17PECh. R3 - Prob. 18PECh. R3 - Prob. 19PECh. R3 - Prob. 20PECh. R3 - Prob. 21PECh. R3 - Prob. 22PECh. R3 - Prob. 23PECh. R3 - Prob. 24PECh. R3 - Prob. 25PECh. R3 - Prob. 26PECh. R3 - Prob. 27PECh. R3 - Prob. 28PECh. R3 - Prob. 29PECh. R3 - Prob. 30PECh. R3 - Prob. 31PECh. R3 - Prob. 32PECh. R3 - Prob. 33PECh. R3 - Prob. 34PECh. R3 - Prob. 35PECh. R3 - Prob. 36PECh. R3 - Prob. 37PECh. R3 - Prob. 38PECh. R3 - Prob. 39PECh. R3 - Prob. 40PECh. R3 - Prob. 41PECh. R3 - Prob. 42PECh. R3 - Prob. 43PECh. R3 - Prob. 44PECh. R3 - Prob. 45PECh. R3 - Prob. 46PECh. R3 - Prob. 47PECh. R3 - Prob. 48PECh. R3 - Prob. 49PECh. R3 - Prob. 50PECh. R3 - Prob. 51PECh. R3 - Prob. 52PECh. R3 - Prob. 53PECh. R3 - Prob. 54PECh. R3 - Prob. 55PECh. R3 - Prob. 56PECh. R3 - Prob. 57PECh. R3 - Prob. 58PECh. R3 - Prob. 59PECh. R3 - Prob. 60PECh. R3 - Prob. 61PECh. R3 - Prob. 62PECh. R3 - Prob. 63PECh. R3 - Prob. 64PECh. R3 - Prob. 65PECh. R3 - Prob. 66PECh. R3 - Prob. 67PECh. R3 - Prob. 68PECh. R3 - Prob. 69PECh. R3 - Prob. 70PECh. R3 - Prob. 71PECh. R3 - Prob. 72PECh. R3 - Prob. 73PECh. R3 - Prob. 74PECh. R3 - Prob. 75PECh. R3 - Prob. 76PECh. R3 - Prob. 77PECh. R3 - Prob. 78PECh. R3 - Prob. 79PECh. R3 - Prob. 80PECh. R3 - Prob. 81PECh. R3 - Prob. 82PECh. R3 - Prob. 83PECh. R3 - Prob. 84PECh. R3 - Prob. 85PECh. R3 - Prob. 86PECh. R3 - Prob. 87PECh. R3 - Prob. 88PECh. R3 - For Exercises 69-96, simplify by using the order...Ch. R3 - Prob. 90PECh. R3 - Prob. 91PECh. R3 - Prob. 92PECh. R3 - Prob. 93PECh. R3 - Prob. 94PECh. R3 - Prob. 95PECh. R3 - Prob. 96PECh. R3 - Prob. 97PECh. R3 - Prob. 98PECh. R3 - Prob. 99PECh. R3 - Prob. 100PECh. R3 - Prob. 101PECh. R3 - Prob. 102PECh. R3 - Prob. 103PECh. R3 - Prob. 104PECh. R3 - Prob. 105PECh. R3 - Prob. 106PECh. R3 - Prob. 107PECh. R3 - Prob. 108PECh. R3 - Prob. 109PECh. R3 - Prob. 110PECh. R3 - Prob. 111PECh. R3 - Prob. 112PECh. R3 - Prob. 113PECh. R3 - Prob. 114PECh. R3 - Prob. 115PECh. R3 - Prob. 116PE
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