Question

Find the general form of the span of the indicated matrices,(Use only x and w as variables in your answer.)
span(A1, A2);
A1 =

1 2

−1 5
, A2 =

0 1

4 5

Answer 1

row-reduce each matrix A1 and A2
the span is then the set of all linear combinations of those reduced matrices
xA1+wA2