Introduction to Matrices

Question 1

Drina wrote the system of linear equations below.Which type of matrix can be formed using this system of equations?

Revolt · Accepted Answer

B: a square matrix

Question 2

Which matrix is equal to ?

Question 3

Matrix A is shown below. Given that Matrix A equals Matrix B, what is the value of

Revolt · Accepted Answer

C: 0

Question 4

Which matrix is equal to ?

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D: mc019-5.jpg

Question 5

The elements of Matrix C are shown below.If Matrix C equals Matrix D, which of the following is Matrix D?

Revolt · Accepted Answer

B: mc025-3.jpg

Question 6

Mateus created a matrix using the elements below.What type of matrix did Mateus create?

Revolt · Accepted Answer

B: a square matrix

Question 7

Dakarai wrote the system of linear equations below.Dakarai then wrote the coefficient matrix that represents this system. Which matrix could she have written?

Revolt · Accepted Answer

A: mc005-2.jpg

Question 8

The matrix below represents the number of minutes four friends spend driving to each others’ homes each week. A row label represents the friend driving and a column label represents the friend being visited.How many minutes does friend #1 spend driving to visit friend #3?

Revolt · Accepted Answer

D: 45

Question 9

For two matrices to be equal, they must have the same size and

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C: have equal corresponding elements.

Question 10

Aliane created a table showing the flight information for four cities.Departing FromArriving AtFlight TimeCity ACity B4.2 hoursCity ACity C3.9 hoursCity BCity A5.1 hoursCity BCity D9.5 hoursCity CCity B1.7 hoursCity CCity D2.2 hoursCity DCity A10.5 hoursCity DCity B8.6 hoursWhich matrix correctly represents Aliane’s flight information?

Revolt · Accepted Answer

A: mc008-1.jpg

Introduction to Matrices Answers

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