# Find the order of the matrix shown below, pre-calculus assignment help

Anonymous

### Question Description

Help with multiple choice pre-test.

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1. Find the order of the matrix shown below. 2×3 3×2 1×6 6×1 2. Which of the following shows the augmented matrix for the system of equations given below? 3. Which of the following shows the coefficient matrix for the system of equations given below? 4. Add 2 times R to R in the matrix given below. 2 3 5. Interchange R and R in the matrix given below. 1 3 6. Identify which matrix is in reduced row-echelon form. 7. Find the solution represented by the augmented matrix that has been reduced using Gauss-Jordan elimination. (1, 2, -1) (1, 1, 1) (1, 0, 0) (0, 1, 0) 8. Use Gauss-Jordan elimination to write the following matrix in reduced rowechelon form. 9. Use Gauss-Jordan elimination to write the following matrix in reduced rowechelon form. 10. The flow of traffic (in vehicles per hour) through a network of streets is shown below. ...
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DrCS
School: Purdue University

Hello,Here are the answers. For problem 10, are you sure about the choices? Because none of the choices match with the correct answer. Please let me know.Thanks and bye.

1. Find the order of the matrix shown below.

Answer: The matrix has 2 rows and 3 columns. So the order is 2x3
2×3
3×2
1×6
6×1

2. Which of the following shows the augmented matrix for the system of
equations given below?
Answer: The augmented matrix of a system of linear equations is formed from both the coefficients and
the constants of the equations. So the answer is B.

3. Which of the following shows the coefficient matrix for the system of
equations given below?

Answer: The coefficient matrix of a system...

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Anonymous
Excellent job

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