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Beginning Operations Exercises

Example 1

Create a coefficient matrix:

3x + y = 0
-x – 5y = 4

Example 2

Create a coefficient matrix:

3x – 4y = -7
x + y = 9

Example 3

Create a coefficient matrix:

2x + 2y = 11
6xy = 3

Example 4

Find the determinant:

Example 5

Find the determinant:

Example 6

Find the determinant:

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