8. 12 points 7 1.2.010. 0/6 Submissions Used Identify the elementary row operation(s) being performed to obtain the new row-equivalent matrix. (Select all that apply.) Original Matrix New Row-Equivalent Matrix -1 2 4-2 0 11 14 -12 03 9 4 3 -5 2-6 L 45-7 4 O Multiply Row 2 by three. Add 3 times Row 1 to Row 2. O Multiply Row 2 by four. Add 4 times Row 1 to Row 3. Add 4 times Row 1 to Row 2. Need Help? Read It Talk to a Tutor Show My Work (Required) What steps or reasoning did you use? Your work counts towards your score. You can Upla No Fi 0 Up of times. my