# []Question 1 of 20 0.0/ 5.0 Points Use Cramer’s rule to solve the system. 2x + 4y – z = 32 x…

##### Question 1 of 20
0.0/ 5.0 Points
Use Cramer’s rule to solve the system. 2x + 4y – z = 32 x – 2y + 2z = -5 5x + y + z = 20

Don't use plagiarized sources. Get Your Custom Essay on
[]Question 1 of 20 0.0/ 5.0 Points Use Cramer’s rule to solve the system. 2x + 4y – z = 32 x…
Just from \$13/Page
 A. {( 1, -9, -6)} B. {( 2, 7, 6)} C. {( 9, 6, 9)} D. {( 1, 9, 6)}
##### Question 2 of 20
5.0/ 5.0 Points
Find the products AB and BA to determine whether B is the multiplicative inverse of A.

A = , B =

 A. B = A-1 B. B ≠ A-1
##### Question 3 of 20
5.0/ 5.0 Points
Evaluate the determinant.

 A. 60 B. -30 C. -60 D. 30
##### Question 4 of 20
5.0/ 5.0 Points
Evaluate the determinant.

 A. B. C. D.
##### Question 5 of 20
0.0/ 5.0 Points
Solve the system of equations using matrices. Use Gauss-Jordan elimination.

3x – 7 – 7z = 7
6x + 4y – 3z = 67
-6x – 3y + z = -62

 A. {( 7, 1, 7)} B. {( 14, 7, -7)} C. {( -7, 7, 14)} D. {( 7, 7, 1)}
##### Question 6 of 20
0.0/ 5.0 Points
Solve the matrix equation for X.

Let A = and B = ; 4X + A = B

 A. X = B. X = C. X = D. X =
##### Question 7 of 20
0.0/ 5.0 Points
Find the product AB, if possible.

A =  , B =

 A. B. C. D. AB is not defined.
##### Question 8 of 20
0.0/ 5.0 Points
Determinants are used to show that three points lie on the same line (are collinear). If
= 0,
then the points ( x1, y1), ( x2, y2), and ( x3, y3) are collinear. If the determinant does not equal 0, then the points are not collinear. Are the points (-2, -1), (0, 9), (-6, -21) and collinear?

 A. Yes B. No
##### Question 9 of 20
0.0/ 5.0 Points
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.

x + y + z = 9
2x – 3y + 4z = 7
x – 4y + 3z = -2

 A. {(-+ , + , z)} B. {( +  , –  , z)} C. {(- + , –  , z)} D. {( +  , +  , z)}
##### Question 10 of 20
0.0/ 5.0 Points
Let B = [-1 3 6 -3]. Find -4B.

 A. [-4 12 24 -12] B. [-3 1 4 -5] C. [4 -12 -24 12] D. [4 3 6 -3]
##### Question 11 of 20
0.0/ 5.0 Points
Find the inverse of the matrix, if possible.

A =

 A. B. C. D.
##### Question 12 of 20
0.0/ 5.0 Points
Find the product AB, if possible.

A = , B =

 A. B. C. D.
##### Question 13 of 20
0.0/ 5.0 Points
Find the product AB, if possible.

A = , B =

 A. B. C. D. AB is not defined.
##### Question 14 of 20
0.0/ 5.0 Points
Use Cramer’s rule to determine if the system is inconsistent system or contains dependent equations.

2x + 7 = 8
6x + 3y = 24

 A. system is inconsistent B. system contains dependent equations
##### Question 15 of 20
0.0/ 5.0 Points
Solve the system of equations using matrices. Use Gaussian elimination with back-substitution.

3x + 5y – 2w = -13
2x + 7z – w = -1
4y + 3z + 3w = 1
-x + 2y + 4z = -5

 A. {(-1, – , 0,  )} B. {(1, -2, 0, 3)} C. {( , -2, 0, )} D. {( , – , 0, )}
##### Question 16 of 20
0.0/ 5.0 Points
Find the products AB and BA to determine whether B is the multiplicative inverse of A.
A = , B =

 A. B = A-1 B. B ≠ A-1
##### Question 17 of 20
0.0/ 5.0 Points
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.

3x – 2y + 2z – w = 2
4x + y + z + 6w = 8
-3x + 2y – 2z + w = 5
5x + 3z – 2w = 1

 A. {(2, 0, – , )} B. {(1, – , , 6)} C. ∅ D. {( , 0, – ,  )}
##### Question 18 of 20
0.0/ 5.0 Points
Give the order of the matrix, and identify the given element of the matrix.

; a12

 A. 4 × 2; -11 B. 4 × 2; 14 C. 2 × 4; 14 D. 2 × 4; -11
##### Question 19 of 20
0.0/ 5.0 Points
Let A = and B = . Find A – 3B.

 A. B. C. D.
##### Question 20 of 20
0.0/ 5.0 Points
Find the product AB, if possible.
A = , B =

 A. B. AB is not defined. C. D.

Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

## Calculate the price of your order

Total price:
\$0.00

How it works?

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

## Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.