Ans the following questions on the photos If possible find A

Ans the following questions on the photos.

If possible, find AB.( If not possible, enter impossible) NOTE I HAVE ANSWERED PORTIONS OF THE QUESTION.

Problem 3: (5 pts) Put the following in REF form using elementary row b 0 1 1 0 1 -2 Problem 4: (5 ptsa Find the area of the triangle with the vertices (0,0), (41),(2,5) a. 9 units b. 18 sq units c, -9 sg units d. 0 units

Solution

In order to multiply matrices, Make sure that the the number of columns in the 1^st one equals the number of rows in the 2^nd one. Which is not the same in this case. Hence this matrix multiplication is not possible.