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vaieri [72.5K]
3 years ago
8

Which property is shown in the matrix addition below? [-6 15 -2 ] + [6 -15 2 ] = [0 0 0

Mathematics
1 answer:
aksik [14]3 years ago
5 0

Answer:

The property shown in matrix addition given is "Additive Inverse Property"

Step-by-step explanation:

First of all lets define what a matrix is.

A matrix is an array of rows and columns that consists of numbers. There are several types of matrices. The one in our question is a row matrix which consists of only one row.

There are several addition properties for matrices.

One of them is additive inverse property. The additive inverse of a matrix consists of the same elements but their signs are changed.

Additive inverse property states that the sum of a matrix and its additive inverse is a zero matrix.

\left[\begin{array}{ccc}-6&15&-2\end{array}\right] + \left[\begin{array}{ccc}6&-15&2\end{array}\right] = \left[\begin{array}{ccc}0&0&0\end{array}\right]

Hence,

The property shown in matrix addition given is "Additive Inverse Property"

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For the expression: (− 1/x )× 1−x/1+x × x/x^2−1 <br> Simplify the expression.
Contact [7]

Answer:

<em>     The simplified answer is   1/(x+1)^{2} </em>

Step-by-step explanation:

     For the given expression: (− 1/x )× 1−x/1+x × x/x^2−1

     we need to simplify it

<em>      x^{2} -1 = (x+1)×(x-1)</em>

     eliminating x and x-1 from the given equation we get

     1/(x+1)^{2}

     The value of x can't be zero

     As we can't divide zero by zero

     The value of x can't be one

     As we can't divide zero by zero

<em>     The simplified answer is   1/(x+1)^{2} </em>

   

4 0
3 years ago
You move down 1 unit. You end at (0, -3). Where did you start?
Minchanka [31]
0,-2 I believe
Because -2 is greater than -3 and is above it
7 0
3 years ago
Read 2 more answers
Find the product for this problem <br> 1.<br> 257<br> x 50
Reptile [31]

Answer:

The answer to this is 12850

Step-by-step explanation:

<h2>Also check out our you tube channel about math called <em>Evimero Academy</em></h2>

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3 0
3 years ago
What is the value of ​
Julli [10]

Answer: more specific

Step-by-step explanation:

7 0
3 years ago
Simplify: (-x^2 - 7x + 10) - (8x^2 + 8x + 8).
JulijaS [17]

Answer:

-(9 x^2 + 15 x - 2)

Step-by-step explanation:

Simplify the following:

-(8 x^2 + 8 x + 8) - x^2 - 7 x + 10

Factor 8 out of 8 x^2 + 8 x + 8:

-x^2 - 7 x + 10 - 8 (x^2 + x + 1)

-8 (x^2 + x + 1) = -8 x^2 - 8 x - 8:

-8 x^2 - 8 x - 8 - x^2 - 7 x + 10

Grouping like terms, -x^2 - 8 x^2 - 7 x - 8 x - 8 + 10 = (-x^2 - 8 x^2) + (-7 x - 8 x) + (10 - 8):

(-x^2 - 8 x^2) + (-7 x - 8 x) + (10 - 8)

-x^2 - 8 x^2 = -9 x^2:

-9 x^2 + (-7 x - 8 x) + (10 - 8)

-7 x - 8 x = -15 x:

-9 x^2 + -15 x + (10 - 8)

10 - 8 = 2:

-9 x^2 - 15 x + 2

Factor -1 out of -9 x^2 - 15 x + 2:

Answer:  -(9 x^2 + 15 x - 2)

8 0
3 years ago
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