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Basics Exercises

Example 1

Express these equations using matrices.

3x + y = 0

-x – 5y = 4

Example 2

Express these equations using matrices.

3x – 4y = -7

x + y = 9

Example 3

Express these equations using matrices.

2x + 2y = 11

6xy = 3

Example 4

For the matrix below, identify: a) the rows, b) the columns, and c) each entry.

Example 5

For the matrix below, identify: a) the rows, b) the columns, and c) each entry.

Example 6

For the matrix below, identify: a) the rows, b) the columns, and c) each entry.

Example 7

For the matrix below, identify: a) the rows, b) the columns, and c) each entry.

Example 8

For the matrix below, identify: a) the rows, b) the columns, and c) each entry.

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