Use the matrix showing the number of Democratic and...

Name: Problem 3, Chapter 2: Algebra 1
Uploaded: 2020-09-03T11:36:41-08:00
Duration: 1 min 45 s
Channel: Subham Jyoti Mishra
Description: Use the matrix showing the number of Democratic and Republican members of the House of Representatives from Arkansas, Delaware, and North Dakota. What is the entry in the first row and second column? What does the number represent?

Use the matrix showing the number of Democratic and Republican members of the House of Representatives from Arkansas, Delaware, and North Dakota. What is the entry in the first row and second column? What does the number represent?

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Key Concepts

Matrix

A matrix is a structured array of numbers organized in rows and columns that is used to represent data systematically, making it easier to visualize relationships between different categories.

Rows and Columns

In a matrix, each row and each column is assigned to a specific category. Typically, rows might represent one kind of category, such as geographic regions or entities, while columns represent another, such as attributes or classifications.

Matrix Entry

An entry in a matrix is a specific element identified by its row and column position. This element represents the value corresponding to the intersection of the two categories defined by its row and column.

Data Representation in Context

When a matrix is used to display counts or data distributions, the entry in a particular row and column, such as the first row and second column, denotes the number associated with the combination of that specific row category and column category. In the context provided, it represents the number of Republican members from the state corresponding to the first row.

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