7. [-/7.5 Points] DETAILS LARLINALG8 1.2.019. Determine whether the matrix is in row-echelon form. If it is, determine whether it is also in reduced row-echelon form. (Select all that apply.) 1000 0 1 15 0000 row-echelon form reduced row-echelon form Oneither Need Help? Read It DETAILS 1 2 0 1 6 0 1 2 17 00124 00015. (X1, X2, X3, X4) = Watch It MY NOTES LARLINALG8 1.2.017. MY NOTES ASK YOUR TEACHER 8. [-/7.5 Points] Find the solution set of the system of linear equations represented by the augmented matrix. (If there is no solution, enter NO SOLUTION. If the system has an infinite number of solutions, set x4 = t and solve for X1, X2, and x3 in terms of t.) ASK YOUR TEACHER: PRACTICE ANOTHER PRACTICE ANOTHER

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