Let A = (see pic) , B = (see pic) , and C = (see pic). Verify that AB=AC and yet B doesnt = C. 4 - 68 - 2- 8and C =3Verify that AB =AC and yet B# C.3Let A =B =7- 8 12Show the calculations that are used to find the entries for matrix AB. Choose the correct answer below.O A.- 8(8) + (- 6)(7) - 8(- 2) + (- 6)(7)4(8) + 12(7)4(- 2) + 12(7)Ов.4(- 2) + (- 6)(7) 4(8) + (- 6)(7)- 8(- 2) + 12(7) - 8(8) + 12(7)C.4(8) + 12(7)4(- 2) + 12(7)- 8(8) + (- 6)(7) - 8(- 2) + (- 6)(7)OD.4(8) + (- 6)(7) 4(- 2) + (- 6)(7)- 8(8) + 12(7) - 8(- 2) + 12(7) Show the calculations that are used to find the entries for matrix AC. Choose the correct answer below.O A.4(- 8) + (- 6)(3) 4(2) + (-6)(3)- 8(- 8) + 12(3) - 8(2)+ 12(3)В.4(2) + 12(3)4(-8) + 12(3)- 8(2) + (- 6)(3) - 8(- 8) + (- 6)(3)- 8(2) + (- 6)(3) - 8(- 8) + (-6)(3)4(2) + 12(3)4(-8) + 12(3)D.4(2) + (- 6)(3) 4(-8) + (- 6)(3)- 8(2) + 12(3) - 8(- 8) + 12(3)Verify that AB = AC by simplifying.AB = AC =(Type an integer or decimal for each matrix element.)

Answered: Image /qna-images/answer/587a7f62-fcb3-4004-a73c-12e7511585bd.jpg

4 - 6 8 - 2 - 8 and C = 3 Verify that AB =AC and yet B# C. 3 Let A = B = 7 - 8 12 Show the calculations that are used to find the entries for matrix AB. Choose the correct answer below. O A. - 8(8) + (- 6)(7) - 8(- 2) + (- 6)(7) 4(8) + 12(7) 4(-2) + 12(7)

4 - 6 8 - 2 - 8 and C = 3 Verify that AB =AC and yet B# C. 3 Let A = B = 7 - 8 12 Show the calculations that are used to find the entries for matrix AB. Choose the correct answer below. O A. - 8(8) + (- 6)(7) - 8(- 2) + (- 6)(7) 4(8) + 12(7) 4(-2) + 12(7)

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter11: Matrices And Determinants

Section11.3: Inverses Of Matrices And Matrix Equations

Problem 1E

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Question

Let A = (see pic) , B = (see pic) , and C = (see pic). Verify that AB=AC and yet B doesnt = C.

4 - 6
8 - 2
- 8
and C =
3
Verify that AB =AC and yet B# C.
3
Let A =
B =
7
- 8 12
Show the calculations that are used to find the entries for matrix AB. Choose the correct answer below.
O A.
- 8(8) + (- 6)(7) - 8(- 2) + (- 6)(7)
4(8) + 12(7)
4(- 2) + 12(7)
Ов.
4(- 2) + (- 6)(7) 4(8) + (- 6)(7)
- 8(- 2) + 12(7) - 8(8) + 12(7)
C.
4(8) + 12(7)
4(- 2) + 12(7)
- 8(8) + (- 6)(7) - 8(- 2) + (- 6)(7)
OD.
4(8) + (- 6)(7) 4(- 2) + (- 6)(7)
- 8(8) + 12(7) - 8(- 2) + 12(7)

Show the calculations that are used to find the entries for matrix AC. Choose the correct answer below.
O A.
4(- 8) + (- 6)(3) 4(2) + (-6)(3)
- 8(- 8) + 12(3) - 8(2)+ 12(3)
В.
4(2) + 12(3)
4(-8) + 12(3)
- 8(2) + (- 6)(3) - 8(- 8) + (- 6)(3)
- 8(2) + (- 6)(3) - 8(- 8) + (-6)(3)
4(2) + 12(3)
4(-8) + 12(3)
D.
4(2) + (- 6)(3) 4(-8) + (- 6)(3)
- 8(2) + 12(3) - 8(- 8) + 12(3)
Verify that AB = AC by simplifying.
AB = AC =
(Type an integer or decimal for each matrix element.)

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