Guide :

# find the echelon of the matrices

2 -2  1 3 6 1 -1 -4 -3 -5 1 -3  2 -1 7

## Research, Knowledge and Information :

### Linear Algebra Toolkit - Old Dominion University

Transforming a matrix to reduced row echelon form: v. 1.24 PROBLEM TEMPLATE: Find the matrix in reduced row echelon form that is row equivalent to the given m x n ...

### Echelon Transformation - stattrek.com

Transforming a Matrix Into Its Echelon Forms: ... Which of the following matrices is the reduced row echelon form of matrix X ? 0: 1: 1: 0: 0: 0: 1: 0: 0: 1: 0: 0: 1 ...

### Reduced Row Echelon Form, Part 1 - khanacademy.org

If we call this augmented matrix, matrix A, then I want to get it into the reduced row echelon form of matrix A. And matrices, the convention is, just like vectors, ...

### Echelon Form - stattrek.com

Echelon Form of a Matrix. This lesson introduces the concept of an echelon matrix. Echelon matrices come in two forms: the ...

### Reduced Row-Echelon Form - A First Course in ... - Linear Algebra

A matrix is in reduced row-echelon form if it meets all of ... The beauty of augmented matrices in reduced row-echelon form is that the solution sets to the ...

### Row echelon form - Wikipedia

The similar properties of column echelon form are easily deduced by transposing all the matrices. Specifically, a matrix ... A matrix is in reduced row echelon form ...

### Linear Algebra Toolkit - Old Dominion University

© 2000−2013 P. Bogacki: Transforming a matrix to row echelon form: ... Find a matrix in row echelon form that is row equivalent to the given m x n matrix A.

### Matrix Inversion: Finding the Inverse of a Matrix - Purplemath

Matrix Inversion: Finding the Inverse of a Matrix ... Recall that, for matrices, multiplication is not commutative. That is, AB is almost never equal to BA.

### A matrix is in echelon form when

A matrix is in echelon form when: 1) ... Examples of Matrices: Not in Echelon Form 1 0 1 2 0 0 1 1 0 1 0 5! " # # # \$ % & & & , 1 0 1 2 0 1 1 1 0 0 0 5

### Row Echelon Form and Reduced Row Echelon Form

equivalent matrices that have row echelon form. ... Example Find infinitely many different matrices that have row echelon form and that are equivalent to the matrix

## Suggested Questions And Answer :

### Write 5A^2 - 6A = 3I in the form AB = I and hence find A^-1 in the terms of A and I

Hello fellow student of Stroh, how goes it? Anyways, to solve this problem heres what you do. 5A^2-6A=3I 5/2A^2-2A=I A(5/2A-2I)=I A^-1 * A (5/2A-2I) = A^-1 * I 5/2A-2I=A^-1 So as weed need to find AB=I, we know that B=A^-1 (A^-1*A*B=A^-1*I) and the above found A^-1, just multiply that by A to get your proper form. A(5/2A-2I)=I A     B     =I

### show that linear transformation and matrices are equivalent.

I'm not too sure about some of your symbology, but if you go to this page here, you should find this line, "The important conclusion is that every linear transformation is associated with a matrix and vice versa." at the bottom of the web page.

### find the echelon of the matrices

(1 1 1 3) (1 -1 1 1) (1 5 1 11) (5 1 5 11)

### find the value for x,y,z that satisfy the matrix relationship 3[2/y x/z]=[2/-1 6/2z]+[4/y+z x+2/3]

Show that the length of the curve y= log secx between the points x = 0 and x =¶/3 is log (2+ √3)

### matrices and determinents

A = [-4 2 -1] [-7 -3 -3] [-2 0-1]

### Twenty percent of a certain number is 16. find the number. And show your work.

Twenty percent of a certain number is 16. find the number. And show your work. 1. Twenty percent of a certain number is 16. Find the number. 2.The length of a rectangle is 5 meters more than twice the width. The perimeter of the rectangle is 46 meters. Find the length and width of the rectangle. 3. One angle of a triangle is 47 degrees of the other two angles, one of them is 3 degress less than three times the other angle. Find the measures of the two angles. Please show all work. 1. 0.2x = 16    5 * 0.2x = 16 * 5    x = 80 2. L = 2W + 5    P = 2L + 2W    46 = 2(2W + 5) + 2W    46 = 4W + 10 + 2W    46 = 6W + 10    36 = 6W    6 = W    L = 2W + 5    L = 2(6) + 5    L = 12 + 5    L = 17    P = 2L + 2W    P = 2(17) + 2(6)    P = 34 + 12    P = 46 3. a = 47    b + c = 180 - 47 = 133    b = 3c - 3    (3c - 3) + c = 133    4c - 3 = 133    4c = 136    c = 34    b = 3c - 3    b = 3(34) - 3    b = 102 - 3    b = 99    a + b + c = 180    47 + 99 + 34 = 180

### 55% of graduates find a job in field, probability that 1 of 7 random graduate find a job

wot yu need tu du is: chans 1 student will NOT find a job=45% chans 7 students will NOT find a job=(0.45)^7 =0.0037366945 or 0.0037 thus chans 1 av 7 students will find job=1-0.0037 =0.996263 or 99.6%