EQUALITY OF MATRICES

Problem 1 :

Problem 2 :

Solve each matrix equation or system of equations by using inverse matrices.

Problem 3 :

Solve each equation.

Problem 4 :

Problem 5 :

Problem 6 :

Problem 7 :

Problem 8 :

Problem 9 :

Answer Key

1) the values of r and s is -8/11 and 10/11.

2) the values of a and b is 1.5 and -4.

3) the values of x and y is -1 and -5.

4) the values of x and y is 3 and 8.

5) the values of x, y and z is -8, -8 and 6.

6) x = -6

7) the value of x is -1 and 5/3.

8) the values of x and y is ±2 and 3 and 7.

9) the values of x, y and z is 5, 3 and 2.