Math Problem Statement

Write the augmented matrix for the following system of equations: -3 - z = -4x -3 = x - 5y -3 + 2y + 5x = -z

Solution

To write the augmented matrix for the given system of equations, we first need to rearrange each equation in the standard form ax+by+cz=dax + by + cz = d, where the variables xx, yy, and zz are on the left side of the equation, and the constant term is on the right.

Given System of Equations:

  1. 3z=4x-3 - z = -4x
  2. 3=x5y-3 = x - 5y
  3. 3+2y+5x=z-3 + 2y + 5x = -z

Step 1: Rewrite each equation in standard form

First Equation:

3z=4x4x+0yz=3-3 - z = -4x \Rightarrow 4x + 0y - z = -3

Second Equation:

3=x5yx+5y+0z=3-3 = x - 5y \Rightarrow -x + 5y + 0z = -3

Third Equation:

3+2y+5x=z5x+2y+z=3-3 + 2y + 5x = -z \Rightarrow 5x + 2y + z = 3

Now, the system is:

  1. 4x+0yz=34x + 0y - z = -3
  2. x+5y+0z=3-x + 5y + 0z = -3
  3. 5x+2y+z=35x + 2y + z = 3

Step 2: Write the augmented matrix

The augmented matrix will take the form:

4 & 0 & -1 & | & -3 \\ -1 & 5 & 0 & | & -3 \\ 5 & 2 & 1 & | & 3 \\ \end{bmatrix}$$ This is the augmented matrix for the given system. Would you like a breakdown of each step or further explanation? --- Here are five questions for further exploration: 1. How would you solve this system of equations using Gaussian elimination? 2. What is the significance of an augmented matrix in solving systems of linear equations? 3. Can you find the inverse of the matrix if it were square? 4. What are the next steps if we were to solve this system using matrix row operations? 5. How would you verify the solution to this system once you have it? **Tip:** When constructing an augmented matrix, always ensure each equation is in standard form to avoid misplacing coefficients.

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Math Problem Analysis

Mathematical Concepts

Algebra
Systems of Equations
Matrices

Formulas

Standard form of a linear equation ax + by + cz = d

Theorems

Matrix representation of linear systems

Suitable Grade Level

Grades 10-12