Question 4 Your answer is CORRECT. Use the Gauss-Jordan elimination process on the following system of linear equations to find the value of x.

Question 5 Your answer is CORRECT. Use the Gauss-Jordan elimination process on the following system of linear equations to find the value of z.

Question 6 Your answer is CORRECT. Use Gauss-Jordan elimination process to solve the following system of linear equations.

= 1

Question 7 Your answer is CORRECT. Use Gauss-Jordan elimination process to solve the following system of linear equations.

a) x= 0, y= 3 b) x= 1, y= 0 c) x= 4, y= 2 d) x= 2, y= -1 e) x= 3, y= -2 f) None of the above.

Question 8 Your answer is CORRECT. Use Gauss-Jordan elimination process to solve the following system of linear equations.

= 0

Question 9 Your answer is CORRECT. 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.)

= 1