Multiple choice questions. Need it as soon as possible.

Solve the system of equations. Use the row reduction algorithm to transform the matrix 1) x1 x2 + 3x3 = 8 into echelon form or reduced echelon form as indicated. 2x1 + x3 = 0 6) Find the echelon form of the given matrix. x1+5x2 + x3=40 1 4 _2 3 3 11 9 5 A) (8, 8, 0) B) (8, O, 0) _2 4 _3 4 C) (O, 8, 0) D) (0, 8, 8) A) B) 1 4 2 3 1 4 2 3 Determine whether the system is consistent. 0 1 3 4 0 1 3 4 2) x1 x2 + 3x3 = 11 0 O 43 38 O 0 19 2 4x1 + 4x2 12x3 2 2 C) D) x1+3x2 +x3=17 1 42 3 1 4 _23 0 1 3 4 0 1 3 4 A) No B) Yes 0 12 7 1o 0 0 43 0 Determine whether the matrix is in echelon form, reduced ' 7) Find the reduced echelon form of the given echelon form, or nelther. matrix. 1 4 5 '7 1 4 5 1 2 3)3146 254-14 0 4 1 3 3 9 9 2 2 A) A) Reduced echelon form 1 0 3 0 14 B) Echelon form 0 1 _2 0 _4 C) Neither 0 0 0 1 4 B) 1 3 5 7 1 4 5 0 2 4) 014 4 [0 12 04 0 O 1 6 O 0 0 1 4 C) A) Echelon form 1 4 -5 1 2 B) Neither 0 1 2 1 0 C) Reduced echelon form |:O O 0 1 4 D) 1 0 5 _4 1 0 0 0 14 5)01-5-2 [O 1 0 0-4 0 0 0 0 0 0 0 1 4 0 0 0 0 A) Neither B) Echelon form C) Reduced echelon form