## Question

###### If a matrix is in reduced form, say so. If not, explain why and indicate a...

If a matrix is in reduced form, say so. If not, explain why and indicate a row operation that completes the next step of Gauss-Jordar elimination. 1 0 6 4 0 1-65 0-3 40 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The matrix is in reduced form. B. The matrix is not in reduced form. The next step is to add row 1 to row 2. OC. The matrix is not in reduced form. The next step is to multiply row 2 by 3) and add it to row 3. (Type an integer or a fraction) D. The matrix is not in reduced form. The next step is to interchange row 2 and row 3.

## Answers

Solution : Row Echelon form - Augmented materia reduced to a forum with t's on diagonal and O's beneath diagonal is called row-echelon form. 1 b d example: ore 1 c L e f given: 6 od Go ļ -6 5 -3 4 1 R₂ +3 R₂>R3 = 6 L -6 0-14 I LO 15 Rg 4 R3 -14 = LO 6 -6 5 L 115/ C o The matrix is not in reduced form. The next step is to multiply row 2 by 3 and it to row 3.

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