# MAT 104 Pace University Elementary Operation Gauss Jordan and Matrix Questions MAT 104!4 Questions on elementary operation , Gauss-Jordan and MatrixHandwri

MAT 104 Pace University Elementary Operation Gauss Jordan and Matrix Questions MAT 104!4 Questions on elementary operation , Gauss-Jordan and MatrixHandwriting please !! 1.

Find the value of a such that (6,-1), (0, 2) and (3, a) lie on the same line.

2.

Sketch the graph of the linear equation: 3x 6y = 18 . Label the axes and the coordinates

of the y-intercept and x-intercept if they exist.

3.

State and perform the next elementary row operation that should be performed to put the

matrix in diagonal form:

TO 4

0 0

11 2

91 8

45

4110)

4.

Fill in the missing numbers in the next step of the Gauss-Jordan Method:

[1 0

0 1

LO 6

37 1 0

-12-151-10 1

-31-18 LO 0

3 | 7

-12-15

? ?

5.

Solve for x, y, and z by using the Gauss-Jordan method on the appropriate matrix: (10

(x + y +z = 7

points)

(x – y – 3z = 1

6. When solving a system of linear equations with the unknowns x, y, z and w (if needed) using

the Gauss-Jordan elimination method, the following final matrix was obtained. Determine if

the system has a solution or solutions. If so, write the solution(s). (5 points each)

1

a. 0

LO

1

0

0

1171 [1

010], b. o

olo) LO

00147 (1 0 0131

0 06), c. Jo 1 0 9

0 114 LO O ilo]

d.

[

0

1

314)

LO

0110

Page 2 of 3

7.

Perform the indicated operation if possible: [ 1 21.

5

6|17

8.

Perform the indicated operation, if possible: 12

1 8].

9.

Perform the indicated operation, if possible: Co 9] + li2 )

10. Perform the indicated operation, if possible: [1 6]+[4]

11. The matrix

[ L 22

has no inverse when x has what value?

12. Compute the inverse of A =

[45 $), using the Gauss-Jordan Method. (10 points)

13. Let A =

A = 11

Solve A [] = [3], given A-1 =(- 31

14. List all the subsets of {a, e, i} that do not contain i.

15. At a certain university, 540 students are math or computer science majors. If 300 are

majoring in math and 120 are majoring in both, how many are not majoring in computer

science?

Purchase answer to see full

attachment

## We've got everything to become your favourite writing service

### Money back guarantee

Your money is safe. Even if we fail to satisfy your expectations, you can always request a refund and get your money back.

### Confidentiality

We don’t share your private information with anyone. What happens on our website stays on our website.

### Our service is legit

We provide you with a sample paper on the topic you need, and this kind of academic assistance is perfectly legitimate.

### Get a plagiarism-free paper

We check every paper with our plagiarism-detection software, so you get a unique paper written for your particular purposes.

### We can help with urgent tasks

Need a paper tomorrow? We can write it even while you’re sleeping. Place an order now and get your paper in 8 hours.

### Pay a fair price

Our prices depend on urgency. If you want a cheap essay, place your order in advance. Our prices start from $11 per page.