Self-test 1a
1.Find the solution set for the following system of equations: (4 pts)
2.Use Gauss-Jordan elimination to put the following matrix into reduced row-echelon form: (4 pts)
3.Are there any values of the parameter afor which the following set of equations has nontrivial solutions? (4 pts)
4.Compute the indicated quantities: a.(2 pts) 422400223123302131b. (2 pts) 0114222101735.If Aand Bare 2 2 matrices, find the necessary and sufficient conditions for AB + BA= 0. (4 pts) 6.Compute the inverse of the following matrix: