Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![### Parametric Vector Form Solutions of \( Ax = 0 \)
**Problem Statement:**
Describe all solutions of \( Ax = 0 \) in parametric vector form, where \( A \) is row equivalent to the given matrix:
\[
\begin{bmatrix}
2 & -4 & 10 \\
-1 & 2 & -5
\end{bmatrix}
\]
**Solution Representation:**
The equation \( Ax = 0 \) represents a homogeneous system of linear equations. The solutions to this system can be expressed in parametric vector form. Here, the solution \( \mathbf{x} \) can be written as:
\[
\mathbf{x} = x_2 \begin{bmatrix}
\boxed{} \\
\boxed{} \\
\boxed{}
\end{bmatrix}
+ x_3 \begin{bmatrix}
\boxed{} \\
\boxed{} \\
\boxed{}
\end{bmatrix}
\]
(Typing an integer or fraction for each matrix element.)
**Instructions for Completing the Parametric Form:**
1. Determine the parametric vector form by row reducing the given matrix \( A \) to its echelon form.
2. Identify the free variables (columns without leading ones) and the pivot variables (columns with leading ones).
3. Express the pivot variables in terms of the free variables.
4. Use these expressions to fill in the boxed elements with the appropriate integer or fractional values.
In this context, explaining the matrix or diagram is crucial for understanding the row reduction steps and how they lead to the parametric vector form solution.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F70fe4f99-9e69-4bef-afe6-80d54e8903ee%2F424d52a1-4224-4c83-b6bd-e15f3aaa0e71%2Fbmpl1a_processed.png&w=3840&q=75)
Transcribed Image Text:### Parametric Vector Form Solutions of \( Ax = 0 \)
**Problem Statement:**
Describe all solutions of \( Ax = 0 \) in parametric vector form, where \( A \) is row equivalent to the given matrix:
\[
\begin{bmatrix}
2 & -4 & 10 \\
-1 & 2 & -5
\end{bmatrix}
\]
**Solution Representation:**
The equation \( Ax = 0 \) represents a homogeneous system of linear equations. The solutions to this system can be expressed in parametric vector form. Here, the solution \( \mathbf{x} \) can be written as:
\[
\mathbf{x} = x_2 \begin{bmatrix}
\boxed{} \\
\boxed{} \\
\boxed{}
\end{bmatrix}
+ x_3 \begin{bmatrix}
\boxed{} \\
\boxed{} \\
\boxed{}
\end{bmatrix}
\]
(Typing an integer or fraction for each matrix element.)
**Instructions for Completing the Parametric Form:**
1. Determine the parametric vector form by row reducing the given matrix \( A \) to its echelon form.
2. Identify the free variables (columns without leading ones) and the pivot variables (columns with leading ones).
3. Express the pivot variables in terms of the free variables.
4. Use these expressions to fill in the boxed elements with the appropriate integer or fractional values.
In this context, explaining the matrix or diagram is crucial for understanding the row reduction steps and how they lead to the parametric vector form solution.
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