College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.3: Matrix Algebra
Problem 86E
Related questions
Question
![Let A and B be matrices. Choose all of the correct statements below.
If A is 3 x 3 and B is 3 x 7 then
AB is defined and is 3 x 7
If A is 3 x 2 and B is 2 x 4 then
AB is defined and is 3 x 4
If A is 3 x 2 and B is 2 x 4 then
AB is defined and is 2 x 4
If A is 5 x 1 and B is 1 x 4 then
AB is defined and is 1 x 1
If A is 5 x 1 and B is 1 x 4 then
AB is defined and is 5 x 4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2775e8c-94c2-43ee-8379-e9f8aff0b154%2F138779e1-54b7-468f-a38f-637435cdb92d%2Fxv43y5_processed.png&w=3840&q=75)
Transcribed Image Text:Let A and B be matrices. Choose all of the correct statements below.
If A is 3 x 3 and B is 3 x 7 then
AB is defined and is 3 x 7
If A is 3 x 2 and B is 2 x 4 then
AB is defined and is 3 x 4
If A is 3 x 2 and B is 2 x 4 then
AB is defined and is 2 x 4
If A is 5 x 1 and B is 1 x 4 then
AB is defined and is 1 x 1
If A is 5 x 1 and B is 1 x 4 then
AB is defined and is 5 x 4
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