Use the matrix method to solve the system of equations 2 x + 4 y = 8 and 6 x + 3 y = -3. The resulting matrix is:
1 answer:
Answer:

Step-by-step explanation:
The given system of equations is

and

The augmented matrix is
![\left[\begin{array}{ccc}2&4&|8\\6&3&|-3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%264%26%7C8%5C%5C6%263%26%7C-3%5Cend%7Barray%7D%5Cright%5D)

![\left[\begin{array}{ccc}1&2&|4\\6&3&|-3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%262%26%7C4%5C%5C6%263%26%7C-3%5Cend%7Barray%7D%5Cright%5D)

![\left[\begin{array}{ccc}1&2&|4\\0&-9&|-27\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%262%26%7C4%5C%5C0%26-9%26%7C-27%5Cend%7Barray%7D%5Cright%5D)

![\left[\begin{array}{ccc}1&2&|4\\0&1&|3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%262%26%7C4%5C%5C0%261%26%7C3%5Cend%7Barray%7D%5Cright%5D)

![\left[\begin{array}{ccc}1&0&|-2\\0&1&|3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%260%26%7C-2%5C%5C0%261%26%7C3%5Cend%7Barray%7D%5Cright%5D)
Hence 
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<span>5.17490 rounded to the nearest thousandth is 5.175</span>
4-7x=5
+7x +7x
4= 12x
/12 /12
x= 4/12
x= 1/3
The slope of this would be 15
Answer:
A terminating decimal ends while a non-terminating decimals repeats itself.
Step-by-step explanation:
2.50-terminating decimal
2.3333...-non-terminating decimal