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Gnoma [55]
3 years ago
11

Select the correct answer. Which system of equations can be represented by this matrix?

Mathematics
2 answers:
Arisa [49]3 years ago
5 0

Answer:

A)  x + 2y = 4

3x + 4y -9z = 2

-x + 7z = 1

Step-by-step explanation:

The matrix form is

x y z  

1 2 0    4

3 4 -9   2

-1 0 7    1

Here 0 represents no term in system.

So, the following system represents the above matrix.

x + 2y + 0z = 4  => x + 2y = 4

3x + 4y -9z = 2

-x + 0y + 7z = 1  => -x + 7z = 1

Therefore, the answer is A.

zubka84 [21]3 years ago
3 0
The answer is A.

You put the numbers in order of the letters and if a letter is missing you put 0
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