Adding and Subtracting Matrices Answers

A polygon has vertices at (–5, 3), (–1, 3), (1, 0), and (–3, 0). Which represents a geometric translation of the given polygon 4 units to the right and 5 units down?

Paul is taking inventory of unsold ladies’ dresses from last month. The following matrix shows how many of each dress were left in red, blue, white, and green. The matrix below shows the new stock of the same color dresses that arrived in the store today. Which matrix shows the total number of dresses of each color and size that Paul has in stock before any sales were made today?

What is the value of D in the matrix equation below?

What is the sum of the matrices shown below?

What is the sum of the matrices shown below?

Which property is shown in the matrix addition below?

Triangle ABC is translated using matrix subtraction. Which represents the resulting vertices after the translation?

What are , , and of matrix C?

Which property is shown in the matrix addition below?

Janelle wrote the matrix addition below.Which statement is true?