
Linear Algebra with Applications (2-Download)
5th Edition
ISBN: 9780321796974
Author: Otto Bretscher
Publisher: PEARSON
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Question
Chapter 9.3, Problem 45E
To determine
The solution of the system of equations
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Students have asked these similar questions
The 2x2 linear system of equations -2x+4y = 8 and 4x-3y = 9 was put into the following
-2 4
8
augmented matrix:
4
-3
9
This augmented matrix is then converted to row echelon form. Which of the following matrices is the
appropriate row echelon form for the given augmented matrix?
0
Option 1:
1
11
-2
Option 2:
4
-3 9
Option 3:
10
܂
-2
-4
5
25
1
-2
-4
Option 4:
0 1
5
1 -2
Option 5:
0
0
20
-4
5
○ Option 1 is the appropriate row echelon form.
○ Option 2 is the appropriate row echelon form.
○ Option 3 is the appropriate row echelon form.
○ Option 4 is the appropriate row echelon form.
○ Option 5 is the appropriate row echelon form.
Let matrix A have order (dimension) 2x4 and let matrix B have order (dimension) 4x4.
What results when you compute A+B?
The resulting matrix will have dimensions of 2x4.
○ The resulting matrix will be a single number (scalar).
The resulting matrix will have dimensions of 4x4.
A+B is undefined since matrix A and B do not have the same dimensions.
If
-1
"[a446]-[254]
4b
=
-1
, find the values of a and b.
○ There is no solution for a and b.
○ There are infinite solutions for a and b.
O a=3, b=3
O a=1, b=2
O a=2, b=1
O a=2, b=2
Chapter 9 Solutions
Linear Algebra with Applications (2-Download)
Ch. 9.1 - Solve the initial value problems posed in...Ch. 9.1 - Solve the initial value problems posed in...Ch. 9.1 - Solve the initial value problems posed in...Ch. 9.1 - Solve the initial value problems posed in...Ch. 9.1 - Solve the initial value problems posed in...Ch. 9.1 - Solve the nonlinear differential equations in...Ch. 9.1 - Solve the nonlinear differential equations in...Ch. 9.1 - Solve the nonlinear differential equations in...Ch. 9.1 - Solve the nonlinear differential equations in...Ch. 9.1 - Solve the nonlinear differential equations in...
Ch. 9.1 - Solve the nonlinear differential equations in...Ch. 9.1 - Find a differential equation of the form dx/dt=kx...Ch. 9.1 - In 1778, a wealthy Pennsylvanian merchant named...Ch. 9.1 - The carbon in living matter contains a minute...Ch. 9.1 - Justify the “Rule of 69”: If a quantity grows at a...Ch. 9.1 - For the values of1and2given in Exercises 16...Ch. 9.1 - For the values of1and2given in Exercises 16...Ch. 9.1 - For the values of1and2given in Exercises 16...Ch. 9.1 - For the values of1and2given in Exercises 16...Ch. 9.1 - Consider the system dx/dt=Axwith A=[0110] . Sketch...Ch. 9.1 - Consider the system dx/dt=Axwith A=[0100] . Sketch...Ch. 9.1 - Consider the linear system dx/dt=Ax of arbitrary...Ch. 9.1 - Consider the linear system dx/dt=Ax of arbitrary...Ch. 9.1 - Let A be an nn matrix and k a scalar. Consider the...Ch. 9.1 - Let A be an nn matrix and k a scalar. Consider the...Ch. 9.1 - In Exercises 26 through 31, solve the system with...Ch. 9.1 - In Exercises 26 through 31, solve the system with...Ch. 9.1 - In Exercises 26 through 31, solve the system with...Ch. 9.1 - In Exercises 26 through 31, solve the system with...Ch. 9.1 - In Exercises 26 through 31, solve the system with...Ch. 9.1 - In Exercises 26 through 31, solve the system with...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Sketch rough phase portraits for the dynamical...Ch. 9.1 - Find a 22 matrix A such that the system dx/dt=Ax...Ch. 9.1 - Consider a noninvertible 22 matrix A with two...Ch. 9.1 - Consider the interaction of two species of animals...Ch. 9.1 - Answer the questions posed in Exercise 42 for the...Ch. 9.1 - Answer the questions posed in Exercise 42 for the...Ch. 9.1 - Two herds of vicious animals are fighting each...Ch. 9.1 - Repeat Exercise 45 for the system | dx dt=py dy...Ch. 9.1 - The interaction of two populations of animals is...Ch. 9.1 - Repeat Exercise 47 for the system | dx dt=x+ky dy...Ch. 9.1 - Here is a continuous model of a person’s glucose...Ch. 9.1 - Consider a linear system dx/dt=Ax , where A is a...Ch. 9.1 - Let x(t) be a differentiable curve in n and S an...Ch. 9.1 - Find all solutions of the system dxdt=|10|x where ...Ch. 9.1 - Solve the initial value problem dxdt=|pqqp|x with...Ch. 9.1 - Consider a door that opens to only one side (as...Ch. 9.1 - Answer the questions posed in Exercise 54 for the...Ch. 9.2 - Use the definition of the complexvalued...Ch. 9.2 - Use the definition of the complexvalued...Ch. 9.2 - Use the definition of the complexvalued...Ch. 9.2 - Sketch the trajectory of the complexvalued...Ch. 9.2 - Sketch the trajectory of the complexvalued...Ch. 9.2 - Find all complex solutions of the system...Ch. 9.2 - Determine the stability of the system dxdt=[1234]xCh. 9.2 - Consider a sytem dxdt=Ax where A is a symmetric...Ch. 9.2 - Consider a sytem dxdt=Ax where A is a 22 matrix...Ch. 9.2 - Consider a quadratic form q(x)=xAx of two...Ch. 9.2 - Do parts a and d of Exercise 10 for a quadratic...Ch. 9.2 - Determine the stability of the system...Ch. 9.2 - If the system dx/dt=Ax is stable, is dx/dt=A1x...Ch. 9.2 - NegativeFeedbackLoops. Suppose some quantities...Ch. 9.2 - Consider a noninvertible 22 matrix A with a...Ch. 9.2 - Consider the system dxdt=[01ab]x where a and b are...Ch. 9.2 - Consider the system dxdt=[0kk1]x where k is an...Ch. 9.2 - Consider a diagonalizable 33 matrix A such that...Ch. 9.2 - True or False? If the trace and the determinant of...Ch. 9.2 - Consider a 22 matrix A with eigenvalues i . Let +i...Ch. 9.2 - Ngozi opens a bank account with an initial balance...Ch. 9.2 - Find each of the linear systems in Exercises 22...Ch. 9.2 - Find each of the linear systems in Exercises 22...Ch. 9.2 - Find each of the linear systems in Exercises 22...Ch. 9.2 - Find each of the linear systems in Exercises 22...Ch. 9.2 - Prob. 26ECh. 9.2 - Prob. 27ECh. 9.2 - Prob. 28ECh. 9.2 - Prob. 29ECh. 9.2 - Prob. 30ECh. 9.2 - Prob. 31ECh. 9.2 - Prob. 32ECh. 9.2 - Prob. 33ECh. 9.2 - Prob. 34ECh. 9.2 - Prob. 35ECh. 9.2 - Prob. 36ECh. 9.2 - Prob. 37ECh. 9.2 - Prob. 38ECh. 9.2 - Prob. 39ECh. 9.2 - Prob. 40ECh. 9.3 - Find all real solutions of the differential...Ch. 9.3 - Prob. 2ECh. 9.3 - Prob. 3ECh. 9.3 - Prob. 4ECh. 9.3 - Prob. 5ECh. 9.3 - Prob. 6ECh. 9.3 - Prob. 7ECh. 9.3 - Prob. 8ECh. 9.3 - Prob. 9ECh. 9.3 - Prob. 10ECh. 9.3 - Prob. 11ECh. 9.3 - Prob. 12ECh. 9.3 - Find all real solutions of the differential...Ch. 9.3 - Prob. 14ECh. 9.3 - Prob. 15ECh. 9.3 - Prob. 16ECh. 9.3 - Prob. 17ECh. 9.3 - Prob. 18ECh. 9.3 - Prob. 19ECh. 9.3 - Prob. 20ECh. 9.3 - Prob. 21ECh. 9.3 - Prob. 22ECh. 9.3 - Prob. 23ECh. 9.3 - Prob. 24ECh. 9.3 - Prob. 25ECh. 9.3 - Prob. 26ECh. 9.3 - Prob. 27ECh. 9.3 - Prob. 28ECh. 9.3 - Prob. 29ECh. 9.3 - Prob. 30ECh. 9.3 - Prob. 31ECh. 9.3 - Prob. 32ECh. 9.3 - Prob. 33ECh. 9.3 - Prob. 34ECh. 9.3 - Prob. 35ECh. 9.3 - Prob. 36ECh. 9.3 - Prob. 37ECh. 9.3 - Prob. 38ECh. 9.3 - Prob. 39ECh. 9.3 - Prob. 40ECh. 9.3 - Prob. 41ECh. 9.3 - Prob. 42ECh. 9.3 - Prob. 43ECh. 9.3 - The displacement of a certain forced oscillator...Ch. 9.3 - Prob. 45ECh. 9.3 - Prob. 46ECh. 9.3 - Prob. 47ECh. 9.3 - Prob. 48E
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