SOLVING UNKNOWNS IN MATRICES WORKSHEET

Solve each equation.

Problem 1 :

Problem 2 :

Problem 3 :

Problem 4 :

Problem 5 :

Problem 6 :

Problem 7 :

Problem 8 :

Problem 9 :

Problem 10 :

Problem 11 :

Problem 12 :

Answer Key

1) (x, y, z) = (2.5, 1, 3)

2) (x, y) = (3, -1/3)

3) (x, y) = (5, 3)

4) (x, y, z) = (3, -5, 6)

5) (x, y) = (2, -5)

6) x = 4 and y = -3

7) x = 1.5 and y = 3

8) x = 14 and y = 15

9) x = -2 and y = 7

10) x = 5, y = 3 and z = 2

11) x = 5 and y = 6

12) x = 3 and y = 3