M5 PA2

Type your name, student number and class below: I. Find the inverse matrix for each of the following matrices. 1) 5 -3 -3 2 2) -3 2 5 -3 3) -2 5 -1 2 II. Find the determinant for each of the following matrices. 4) -2 5) 33 6) 3 7) 256 8) -15 9) Solve for the values of x and y that satisfy the following simultaneous linear equations. 9x + 7y = 3 3x + 2y = -6 x = -16 y = 21 9) Solve for the values of x and y that satisfy the following simultaneous linear equations. 2x - 4y = -8 3x - 5y = 6 x = 32 y = 18