b. What is the vector ·b? When writing the following linear system of equations in the matrix form Ax a. What is the matrix A? -x 1 - 3 x 2 + 5x3 2 x 1 + 5 x 2 + 2x3 -3x1-2 x2-x3 = 0 = = 3 -2 = b

Solve for x,y,z and w in the matrix equation wxyx=-432-1+2ywzx.

Determine if the statement is true or false. If the statement is false, then correct it and make it true. For the product of two matrices to be defined, the number of rows of the first matrix must equal the number of columns of the second matrix.