PRINTABLE VERSION Quiz 2 Question 1 Write the augmented matrix corresponding to the given system of equations: (Note: The dotted vertical line in each matrix below should be a single vertical line.) a) b) c) d) e) f) None of the above. Question 2 Write the system of equations corresponding to the given augmented matrix: (Note: The dotted vertical line in the matrix above should be a single vertical line.) a) b) c) d) e) f) None of the above. 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 only b) All of them c) I and II only d) II and III only e) None of them 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. a) x = -7 b) x = -4 c) x = -9 d) x=2 e) x = -5 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. a) z=5 b) z=0 c) z=4 d) z=2 e) z=3 f) None of the above. Question 6 Use Gauss-Jordan elimination process to solve the following system of linear equations. a) x = -1, y = -5, z = -4 b) No solution. c) x = -3, y = -10, z = 3 d) x = -2, y = -5, z = 4 e) Infinitely many solutions. f) None of the above. 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. a) x = 1, y = 7, z = 2 b) x = 2, y = 4, z = 1 c) x = 4, y = 6, z = 0 d) Infinitely many solutions. e) No Solution. f) None of the above. 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.) a) x = 5, y = 2 b) x = 5 - z, y = 2, z = any real number c) x = 5 + z, y = 2, z = any real number d) No solution. e) x = 5, y = -2, z = 5 f) None of the above