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viva [34]
3 years ago
14

The echelon form of a matrix is unique. Choose the correct answer below. 0 A. The statement is false. Both the echelon form and

the reduced echelon form of a matrix are unique. They are the same regardless ofthe chosen row operations O B. The statement is false. The echelon form of a matrix is not unique, but the reduced echelon form is unique. ° C. The statement is true. Neither the echelon form nor the reduced echelon form of a matrix are unique. They depend on the row operations performed. O D. The statement is true. The echelon form of a matrix is always unique, but the reduced echelon form of a matrix might not be unique
Mathematics
1 answer:
Elanso [62]3 years ago
8 0

Answer:B

Step-by-step explanation:

if you look at the two row echlon form you can see that it has leading entries(starting form left) that all one and there are no-zero elements above diagonal which can be any numbers (2,3,4, 6, x,y,x).

However reduced row echelon of has always leading elements 1 and are on diognal, this form is always like this therefore we can infer that reduced row echlon form is always uniqe as oppose to row echelon form.

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serg [7]
Flour: 2 3/4 cups = 11/4

11/4 * 2 = 22/4 = 5 2/4 cups

Sugar: 1 1/2 cups = 3/2

3/2 = 6/4 = 1 2/4 cups

1 2/4 * 2 = 3 cups

So it *should* be 8 1/2 cups.


3 0
3 years ago
8/25 x 7/8 Please help guys I am almost done with this paper and I am tired
Oduvanchick [21]
Hopes this helps:

Answer: 7/25

1. Cancel 8.

1/25 • 7

2. Simplify.

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4 0
3 years ago
What is an equation of the line that passes through the point (-4,8) and is parallel to the line x+y=6? ​
satela [25.4K]

Answer:

y = -x + 4

Step-by-step explanation:

x + y = 6 => y = -x + 6

The line that parallel to y = -x + 6 has same slope so m = -1

Using coordinates (-4,8)

y = mx + b

8 = (-1)(-4) + b

8 = 4 + b

b = 4

then y = -x + 4

7 0
2 years ago
NEED HELP ASAP PLEASE!!
Aliun [14]

Answer:

7√8

Step-by-step explanation:

Because You Add Two And Five

8 0
3 years ago
Read 2 more answers
Solve the system by graphing
trapecia [35]

Solve the system by graphing  

{y = 7 - x   the slope is -1 and the y intercept is 7

{x + 3y = 11   3y = -x+11  y = 1/3 x + 11/3  the slope is 1/3 and the y intercept is 11/3

The solution is x=5, y=2   you will need to graph



Classify the system without graphing

{2x + y = 3      y = -2x+3      

{y = -2x - 1

These lines are parallel   same slope different y intercept

C) Inconsistent System



Classify the system without graphing  

{x + 3y = 9

{-2x - 6y = -18   divide by -2

x+3y = 9

same line

A) Dependent System


8 0
3 years ago
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