Adding and Subtracting Matrices — Unit test

Question 1

What is the product?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3111-06-52/mc017-5.jpg

Question 2

What is the product?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3111-06-52/mc004-4.jpg

Question 3

Elise, Maggie, and Francesca work for an insurance company making follow-up calls to clients. Each person works at a different rate. The table below shows the number of hours each person works over three days and the total number of calls that are made. Hours Worked and Total Calls Made EliseMaggieFrancescaTotal CallsMonday778247Tuesday659218Wednesday931156Elise makes the same number of calls every hour, Maggie makes the same number of calls every hour, and Francesca makes the same number of calls every hour. If Elise earns $1.50 per phone call, how much money does Elise make over the 3 days?

Revolt · Accepted Answer

$396.00

Question 4

Indira has 18 coins valued at $4.20. She has only quarters and dimes. Which augmented matrix can be used to determine the number of quarters and dimes in the collection?

Revolt · Accepted Answer

mc005-1.jpg

Question 5

Which of the following is a diagonal matrix?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/evresources/3111-06-50/mc011-3.jpg

Adding and Subtracting Matrices — Unit test Answers

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