# Question 4 use the gauss jordan elimination process

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Question 3   Which of the following matrices are in row-reduced form ? ( Note : The dotted vertical line in each matrix should be a single vertical line . ) I. II . III .
a) I and III only
b) II and III only
c) All of them
d) None of them
e) I and II only
f) None of the above .
Question 4   Use the Gauss - Jordan elimination process on the following system of linear equations to find the value of x .
Question 5   Use the Gauss - Jordan elimination process on the following system of linear equations to find the value of z .
Question 6   Use Gauss - Jordan elimination process to solve the following system of linear equations .
Question 7   Use Gauss - Jordan elimination process to solve the following system of linear equations .
a) x = - 1 , y = - 6
b ) x = 1 , y = - 4
c) Infinitely many solutions .
d) x = - 2 , y = - 3
e) No solution .
f) None of the above .
Question 8   Use Gauss - Jordan elimination process to solve the following system of linear equations .
Question 9   Given that the augmented matrix in row - reduced form below is equivalent to the augmented matrix of a system of linear equations . Determine whether the system has a solution and find the solution ( s ) to the system , if they exist . ( Note : The dotted vertical line in the matrix above should be a single vertical line . )
Question 4 Use the Gauss-Jordan elimination process on the following system of linear equations to find the value of x . a) x = -10 b) x = -21 c) x = -11 d) x = 8
12/20/2018 Print Test e) x = -13 f) None of the above. Question 5 Use the Gauss-Jordan elimination process on the following system of linear equations to find the value of z .
3/5 Question 7 Use Gauss-Jordan elimination process to solve the following system of linear equations.
Question 6 Use Gauss-Jordan elimination process to solve the following system of linear equations. = 2 = 3
12/20/2018 Print Test
4/5
Question 8 Use Gauss-Jordan elimination process to solve the following system of linear equations. a) x = 1, y = 7, z b) x = 2, y = 4, z c) x = 4, y = 6, z d) No solution. e) Infinitely many solutions. f) None of the above. = 2 = 1 = 0
Question 9 Given that the augmented matrix in row-reduced form below is equivalent to the augmented matrix of a system of linear equations. Determine whether the system has a solution and find the solution(s) to the system, if they exist. (Note: The dotted vertical line in the matrix above should be a single vertical line.)
12/20/2018 Print Test 5/5 e) x = 5, y = -2, z = 5 f) None of the above.
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