FIND THE DETERMINANT OF SQUARE MATRIX WORKSHEET

Evaluate the following determinants.

Problem 1 :

Problem 2 :

Problem 3 :

Problem 4 :

Evaluate each determinant.

Problem 5 :

Problem 6 :

Find the area of a triangle with the given vertices.

Problem 7 :

(-2, 5), (6, 3) and (0, -8)

Problem 8 :

(2, 5.5), (-3.5, 12) and (-5, -1.5)

Answer Key

1) 8

2) -20

3) -310

4) 19

5) 2

6) -47

7) k = 50

8) 42 square units