BEGINNING+INTER.ALG.(LL)
5th Edition
ISBN: 9781266511486
Author: Miller
Publisher: MCG
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Textbook Question
Chapter A.5, Problem 44PE
Concept 3: Cramer’s Rule
For Exercises 41-46, solve for the indicated variable by using Cramer’s rule. (See Example 7.)
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R denotes the field of real numbers, Q denotes the field of rationals, and
Fp denotes the field of p elements given by integers modulo p. You may refer to general
results from lectures.
Question 1
For each non-negative integer m, let R[x]m denote the
vector space consisting of the polynomials in x with coefficients in R and of degree ≤ m.
x²+2, V3 = 5. Prove that (V1, V2, V3) is a linearly independent
(a) Let vi = x, V2 =
list in R[x] 3.
(b) Let V1, V2, V3 be as defined in (a). Find a vector v € R[×]3 such that (V1, V2, V3, V4)
is a basis of R[x] 3.
[8]
[6]
(c) Prove that the map ƒ from R[x] 2 to R[x]3 given by f(p(x)) = xp(x) — xp(0) is a
linear map.
[6]
(d) Write down the matrix for the map ƒ defined in (c) with respect to the basis
(2,2x + 1, x²) of R[x] 2 and the basis (1, x, x², x³) of R[x] 3.
[5]
Question 4
(a) The following matrices represent linear maps on R² with respect to an
orthonormal basis:
=
[1/√5 2/√5
[2/√5 -1/√5]
"
[1/√5 2/√5]
A =
B =
[2/√5 1/√5] 1
C =
D =
=
=
[ 1/3/5 2/35]
1/√5 2/√5
-2/√5 1/√5'
For each of the matrices A, B, C, D, state whether it represents a self-adjoint
linear map, an orthogonal linear map, both, or neither.
(b) For the quadratic form
q(x, y, z) = y² + 2xy +2yz
over R, write down a linear change of variables to u, v, w such that q in these
terms is in canonical form for Sylvester's Law of Inertia.
[6]
[4]
part b please
Chapter A Solutions
BEGINNING+INTER.ALG.(LL)
Ch. A.1 - Factor completely.
1.
Ch. A.1 - Prob. 2SPCh. A.1 - Prob. 3SPCh. A.1 - Prob. 4SPCh. A.1 - Factor completely. x y + 2 y + 3 x z + 6 z − x − 2Ch. A.1 - Vocabulary and Key Concepts
1. Given the...Ch. A.1 - Vocabulary and Key Concepts Given the expression...Ch. A.1 - Prob. 3PECh. A.1 - Prob. 4PECh. A.1 - Prob. 5PE
Ch. A.1 - Prob. 6PECh. A.1 - Concept 1: Factoring by Using Substitution For...Ch. A.1 - Concept 1: Factoring by Using Substitution
For...Ch. A.1 - Prob. 9PECh. A.1 - Prob. 10PECh. A.1 - Concept 1: Factoring by Using Substitution For...Ch. A.1 - Prob. 12PECh. A.1 - Prob. 13PECh. A.1 - Prob. 14PECh. A.1 - Prob. 15PECh. A.1 - Prob. 16PECh. A.1 - Prob. 17PECh. A.1 - Concept 1: Factoring by Using Substitution For...Ch. A.1 - Prob. 19PECh. A.1 - Prob. 20PECh. A.1 - Prob. 21PECh. A.1 - Prob. 22PECh. A.1 - Concept 2: Factoring 1 Term with 3 Terms For...Ch. A.1 - Prob. 24PECh. A.1 - Prob. 25PECh. A.1 - Prob. 26PECh. A.1 - Prob. 27PECh. A.1 - Prob. 28PECh. A.1 - Prob. 29PECh. A.1 - Prob. 30PECh. A.1 - Prob. 31PECh. A.1 - Prob. 32PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Prob. 34PECh. A.1 - Prob. 35PECh. A.1 - Prob. 36PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Prob. 39PECh. A.1 - Prob. 40PECh. A.1 - Prob. 41PECh. A.1 - Prob. 42PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Prob. 44PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Prob. 46PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Prob. 48PECh. A.1 - Prob. 49PECh. A.1 - Prob. 50PECh. A.1 - Prob. 51PECh. A.1 - Prob. 52PECh. A.1 - Prob. 53PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Prob. 56PECh. A.1 - Prob. 57PECh. A.1 - Prob. 58PECh. A.1 - Prob. 59PECh. A.1 - Prob. 60PECh. A.1 - Prob. 61PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.1 - Prob. 64PECh. A.1 - Prob. 65PECh. A.1 - Prob. 66PECh. A.1 - Prob. 67PECh. A.1 - Concept 3: Additional Strategies and Mixed...Ch. A.2 - Housing prices for five homes in one neighborhood...Ch. A.2 - Prob. 2SPCh. A.2 - Prob. 3SPCh. A.2 - Prob. 4SPCh. A.2 - Prob. 5SPCh. A.2 - Prob. 6SPCh. A.2 - Prob. 7SPCh. A.2 - Prob. 8SPCh. A.2 - Prob. 9SPCh. A.2 - Prob. 1PECh. A.2 - Prob. 2PECh. A.2 - Prob. 3PECh. A.2 - Prob. 4PECh. A.2 - Concept 1: Mean For Exercises 1-7, find the mean...Ch. A.2 - Prob. 6PECh. A.2 - Concept 1: Mean
For Exercises 1-7, find the mean...Ch. A.2 - Prob. 8PECh. A.2 - Prob. 9PECh. A.2 - Prob. 10PECh. A.2 - Prob. 11PECh. A.2 - Prob. 12PECh. A.2 - Prob. 13PECh. A.2 - Prob. 14PECh. A.2 - Prob. 15PECh. A.2 - Prob. 16PECh. A.2 - Prob. 17PECh. A.2 - Prob. 18PECh. A.2 - Prob. 19PECh. A.2 - Prob. 20PECh. A.2 - Prob. 21PECh. A.2 - Prob. 22PECh. A.2 - Prob. 23PECh. A.2 - Prob. 24PECh. A.2 - Prob. 25PECh. A.2 - Prob. 26PECh. A.2 - Prob. 27PECh. A.2 - Prob. 28PECh. A.2 - Prob. 29PECh. A.2 - Prob. 30PECh. A.2 - Prob. 31PECh. A.2 - Prob. 32PECh. A.2 - Prob. 33PECh. A.2 - Prob. 34PECh. A.2 - The unemployment rates for nine countries are...Ch. A.2 - Prob. 36PECh. A.2 - Mixed Exercises Six test scores for Jonathan’s...Ch. A.2 - Prob. 38PECh. A.2 - Prob. 39PECh. A.2 - Prob. 40PECh. A.2 - Prob. 41PECh. A.2 - Prob. 42PECh. A.2 - Concept 4: Weighted Mean
For Exercises 43-46, use...Ch. A.2 - Prob. 44PECh. A.2 - Prob. 45PECh. A.2 - Concept 4: Weighted Mean For Exercises 43-46, use...Ch. A.2 - Concept 4: Weighted Mean Refer to the table given...Ch. A.2 - Expanding Your Skills There are 20 students...Ch. A.2 - Prob. 49PECh. A.3 - Prob. 1SPCh. A.3 - Prob. 2SPCh. A.3 - Prob. 3SPCh. A.3 - Prob. 4SPCh. A.3 - Prob. 5SPCh. A.3 - Prob. 6SPCh. A.3 - Prob. 7SPCh. A.3 - Prob. 8SPCh. A.3 - Refer to the figure. Assume that lines L 1 and L 2...Ch. A.3 - Prob. 10SPCh. A.3 - For Exercises 10-14, refer to the figure. Find the...Ch. A.3 - Prob. 12SPCh. A.3 - For Exercises 10-14, refer to the figure. Find the...Ch. A.3 - For Exercises 10-14, refer to the figure. Find the...Ch. A.3 - Prob. 1PECh. A.3 - Prob. 2PECh. A.3 - Prob. 3PECh. A.3 - Prob. 4PECh. A.3 - Prob. 5PECh. A.3 - Prob. 6PECh. A.3 - Prob. 7PECh. A.3 - Prob. 8PECh. A.3 - Prob. 9PECh. A.3 - Prob. 10PECh. A.3 - Prob. 11PECh. A.3 - Prob. 12PECh. A.3 - Prob. 13PECh. A.3 - Prob. 14PECh. A.3 - Prob. 15PECh. A.3 - Prob. 16PECh. A.3 - Prob. 17PECh. A.3 - Prob. 18PECh. A.3 - Prob. 19PECh. A.3 - Prob. 20PECh. A.3 - Prob. 21PECh. A.3 - Prob. 22PECh. A.3 - Prob. 23PECh. A.3 - Prob. 24PECh. A.3 - Prob. 25PECh. A.3 - Concept 2: Area For Exercises 13-26, find the...Ch. A.3 - Prob. 27PECh. A.3 - Prob. 28PECh. A.3 - Prob. 29PECh. A.3 - Prob. 30PECh. A.3 - Prob. 31PECh. A.3 - Prob. 32PECh. A.3 - Prob. 33PECh. A.3 - Prob. 34PECh. A.3 - Prob. 35PECh. A.3 - Prob. 36PECh. A.3 - Prob. 37PECh. A.3 - Prob. 38PECh. A.3 - Concept 3: Volume Find the volume of a snow cone...Ch. A.3 - Concept 3: Volume A landscaping supply company has...Ch. A.3 - Mixed Exercises: Perimeter, Area, and Volume A...Ch. A.3 - Prob. 42PECh. A.3 - Prob. 43PECh. A.3 - Prob. 44PECh. A.3 - Mixed Exercises: Perimeter, Area, and...Ch. A.3 - Prob. 46PECh. A.3 - Mixed Exercises: Perimeter, Area, and Volume a. An...Ch. A.3 - Prob. 48PECh. A.3 - Mixed Exercises: Perimeter, Area, and...Ch. A.3 - Prob. 50PECh. A.3 - Mixed Exercises: Perimeter, Area, and Volume Find...Ch. A.3 - Prob. 52PECh. A.3 - Prob. 53PECh. A.3 - Concept 4: Angles
For Exercises 53-58, answer true...Ch. A.3 - Prob. 55PECh. A.3 - Prob. 56PECh. A.3 - Prob. 57PECh. A.3 - Prob. 58PECh. A.3 - Prob. 59PECh. A.3 - Prob. 60PECh. A.3 - Prob. 61PECh. A.3 - Prob. 62PECh. A.3 - Prob. 63PECh. A.3 - Prob. 64PECh. A.3 - Prob. 65PECh. A.3 - Prob. 66PECh. A.3 - Concept 4: Angles For Exercise 67-70, the measure...Ch. A.3 - Prob. 68PECh. A.3 - Prob. 69PECh. A.3 - Concept 4: Angles For Exercise 67-70, the measure...Ch. A.3 - Prob. 71PECh. A.3 - Prob. 72PECh. A.3 - Prob. 73PECh. A.3 - Concept 4: Angles For Exercise 71-74, the measure...Ch. A.3 - Prob. 75PECh. A.3 - Prob. 76PECh. A.3 - Prob. 77PECh. A.3 - Prob. 78PECh. A.3 - Prob. 79PECh. A.3 - Prob. 80PECh. A.3 - Prob. 81PECh. A.3 - Prob. 82PECh. A.3 - Prob. 83PECh. A.3 - Prob. 84PECh. A.3 - Prob. 85PECh. A.3 - Prob. 86PECh. A.3 - Prob. 87PECh. A.3 - Concept 5: Triangles
For Exercises 85-88, identify...Ch. A.3 - Prob. 89PECh. A.3 - Concept 5: Triangles
90. True or False? If a...Ch. A.3 - Concept 5: Triangles
91. Can a triangle be both a...Ch. A.3 - Concept 5: Triangles
92. Can a triangle be both a...Ch. A.3 - Prob. 93PECh. A.3 - Prob. 94PECh. A.3 - Prob. 95PECh. A.3 - Prob. 96PECh. A.3 - Prob. 97PECh. A.3 - Prob. 98PECh. A.3 - Concept 5: Triangles
99. Refer to the figure. Find...Ch. A.3 - Concept 5: Triangles
100. Refer to the figure....Ch. A.3 - Prob. 101PECh. A.3 - Prob. 102PECh. A.3 - Prob. 103PECh. A.3 - Prob. 104PECh. A.3 - Prob. 105PECh. A.3 - Expanding Your Skills For Exercises 103-106, find...Ch. A.4 - Determine the order of the matrix.
1.
Ch. A.4 - Prob. 2SPCh. A.4 - Prob. 3SPCh. A.4 - Prob. 4SPCh. A.4 - Prob. 5SPCh. A.4 - Prob. 6SPCh. A.4 - Prob. 7SPCh. A.4 - Prob. 8SPCh. A.4 - Prob. 9SPCh. A.4 - Solve by using the Gauss-Jordan method. x − 2 y =...Ch. A.4 - Solve by using the Gauss-Jordan method. x + y + z...Ch. A.4 - Solve by using the Gauss-Jordan method. 4 x − 6 y...Ch. A.4 - Solve by using the Gauss-Jordan method.
13.
Ch. A.4 - a. A _______ is a rectangular array of numbers....Ch. A.4 - Review Exercises How much 50% acid solution should...Ch. A.4 - Prob. 3PECh. A.4 - Prob. 4PECh. A.4 - Review Exercises For Exercises 3-5, solve the...Ch. A.4 - Prob. 6PECh. A.4 - Prob. 7PECh. A.4 - Prob. 8PECh. A.4 - Prob. 9PECh. A.4 - Prob. 10PECh. A.4 - Prob. 11PECh. A.4 - Prob. 12PECh. A.4 - Prob. 13PECh. A.4 - Prob. 14PECh. A.4 - Prob. 15PECh. A.4 - Concept 1: Introduction to Matrices For Exercises...Ch. A.4 - Concept 1: Introduction to Matrices
For Exercises...Ch. A.4 - Concept 1: Introduction to Matrices For Exercises...Ch. A.4 - Prob. 19PECh. A.4 - Prob. 20PECh. A.4 - Prob. 21PECh. A.4 - Prob. 22PECh. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Prob. 30PECh. A.4 - Prob. 31PECh. A.4 - Prob. 32PECh. A.4 - Prob. 33PECh. A.4 - Prob. 34PECh. A.4 - Prob. 35PECh. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Prob. 37PECh. A.4 - Prob. 38PECh. A.4 - Prob. 39PECh. A.4 - Prob. 40PECh. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Prob. 43PECh. A.4 - Prob. 44PECh. A.4 - Prob. 45PECh. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Prob. 47PECh. A.4 - Prob. 48PECh. A.4 - Prob. 49PECh. A.4 - Prob. 50PECh. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Prob. 52PECh. A.4 - Prob. 53PECh. A.4 - Concept 2: Solving Systems of Linear Equations by...Ch. A.4 - Prob. 55PECh. A.4 - Prob. 56PECh. A.4 - Graphing Calculator Exercises For Exercises 57-62,...Ch. A.4 - Graphing Calculator Exercises For Exercises 57-62,...Ch. A.4 - Graphing Calculator Exercises
For Exercises 57-62,...Ch. A.4 - Graphing Calculator Exercises
For Exercises 57-62,...Ch. A.4 - Graphing Calculator Exercises
For Exercises 57-62,...Ch. A.4 - Graphing Calculator Exercises For Exercises 57-62,...Ch. A.5 - Prob. 1SPCh. A.5 - Prob. 2SPCh. A.5 - Prob. 3SPCh. A.5 - Prob. 4SPCh. A.5 - Prob. 5SPCh. A.5 - Prob. 6SPCh. A.5 - Prob. 7SPCh. A.5 - Prob. 8SPCh. A.5 - Prob. 9SPCh. A.5 - Prob. 1PECh. A.5 - Prob. 2PECh. A.5 - Prob. 3PECh. A.5 - Prob. 4PECh. A.5 - Prob. 5PECh. A.5 - Prob. 6PECh. A.5 - Prob. 7PECh. A.5 - Prob. 8PECh. A.5 - Prob. 9PECh. A.5 - Prob. 10PECh. A.5 - Prob. 11PECh. A.5 - Prob. 12PECh. A.5 - Prob. 13PECh. A.5 - Prob. 14PECh. A.5 - Prob. 15PECh. A.5 - Prob. 16PECh. A.5 - Concept 2: Determinant of a Matrix
17. Evaluate...Ch. A.5 - Concept 2: Determinant of a Matrix
18. Evaluate...Ch. A.5 - Concept 2: Determinant of a Matrix
19. When...Ch. A.5 - Prob. 20PECh. A.5 - Prob. 21PECh. A.5 - Prob. 22PECh. A.5 - Prob. 23PECh. A.5 - Prob. 24PECh. A.5 - Prob. 25PECh. A.5 - Prob. 26PECh. A.5 - Prob. 27PECh. A.5 - Prob. 28PECh. A.5 - Prob. 29PECh. A.5 - Prob. 30PECh. A.5 - Prob. 31PECh. A.5 - Concept 3: Cramer’s Rule For Exercises 32-34,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 32-34,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 32-34,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 35-40,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 35-40,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 35-40,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 35-40,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 35-40,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 35-40,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 41-46,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 41-46,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 41-46,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 41-46,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 41-46,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 41-46,...Ch. A.5 - Concept 3: Cramer’s Rule When does Cramer’s rule...Ch. A.5 - Concept 3: Cramer’s Rule
48. How can a system be...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule
For Exercises 49-58,...Ch. A.5 - Concept 3: Cramer’s Rule For Exercises 49-58,...Ch. A.5 - Expanding Your Skills For Exercises 59-62, solve...Ch. A.5 - Prob. 60PECh. A.5 - Prob. 61PECh. A.5 - Prob. 62PECh. A.5 - Expanding Your Skills For Exercise 63-64, evaluate...Ch. A.5 - Expanding Your Skills For Exercise 63-64, evaluate...Ch. A.5 - Expanding Your Skills For Exercises 65-66, refer...Ch. A.5 - Expanding Your Skills For Exercises 65-66, refer...Ch. A.5 - Prob. 67PECh. A.5 - Prob. 68PECh. A.5 - Expanding Your Skills A theater charges $80 per...Ch. A.5 - Expanding Your Skills The measure of the largest...Ch. A.5 - Prob. 71PECh. A.5 - Expanding Your Skills
72. During a 1-hr television...
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