Find the Dimensions [[4,5,9,-2],[6,5,1,12],[3,4,8,-3]]

Problem

[[4,5,9,−2],[6,5,1,12],[3,4,8,−3]]

Solution

1. Count the rows of the matrix by identifying the number of horizontal lines of elements. There are 3 rows.

2. Count the columns of the matrix by identifying the number of vertical lines of elements. There are 4 columns.

3. State the dimensions using the standard notation m×n where m is the number of rows and n is the number of columns.

Final Answer

Dimensions=3×4

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