Unformatted text preview: MATH 262 Quiz 4 September 29 \
Name: Lng/‘J’H‘h Section: PID: Solve the problem systematically and neatly and show all your work. A=l Elbll (a) (2 pts) Write the system of equations with the given coefficient matrix A and
right~hand-side vector b. 1. Let I—‘Ml—I
meow (b) (2 pts) Find A#, the augmented matrix of the system.
(c) (2 pts) Find a row echelon form (REF) of A#. (d) (2 pts) Find the reduced row echelon form (RREF) of A#. (e) (2 pts) Find the solution of the system with the augmented matrix which is the REF of
A#inpart(c). 11+?X1’X33I gnu—x», — X; t 3 er + K)“, f‘ Mg :6 Vi
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