Mathematics, 14.09.2019 10:30, Dweath50
use the augmented matrix method to solve the following system of equations. your answers may be given as decimals or fractions.
x - 2y - z = 2
x + 3y - 2z = 4
-x + 2y + 3z = 2
x =
y =
z =
Answers: 1
![\left[\begin{array}{ccc}1&-2&-1:2\\1&3&-2:4\\-1&2&3:2\end{array}\right]](/tpl/images/0231/2966/2fbb6.png)
![=\ \left[\begin{array}{ccc}1&-2&-1:2\\0&5&-1:2\\0&0&2:4\end{array}\right]](/tpl/images/0231/2966/30f8b.png)
![=\ \left[\begin{array}{ccc}1&-2&-1:2\\0&1&\dfrac{-1}{5}:\dfrac{2}{5}\\0&0&2:4\end{array}\right]](/tpl/images/0231/2966/cd300.png)
![=\ \left[\begin{array}{ccc}1&0&-1-\dfrac{2}{5}:2+\dfrac{4}{5}\\\\0&1&\dfrac{-1}{5}:\dfrac{2}{5}\\\\0&0&2:4\end{array}\right]](/tpl/images/0231/2966/c3021.png)
![=\ \left[\begin{array}{ccc}1&0&\dfrac{-7}{5}:\dfrac{14}{5}\\\\0&1&\dfrac{-1}{5}:\dfrac{2}{5}\\\\0&0&2:4\end{array}\right]](/tpl/images/0231/2966/ec132.png)
![=\ \left[\begin{array}{ccc}1&0&\dfrac{-7}{5}:\dfrac{14}{5}\\\\0&1&\dfrac{-1}{5}:\dfrac{2}{5}\\\\0&0&1:2\end{array}\right]](/tpl/images/0231/2966/35af3.png)
![=\ \left[\begin{array}{ccc}1&0&0:\dfrac{14}{5}+\dfrac{7}{5}\\\\0&1&0:\dfrac{2}{5}+\dfrac{1}{5}\\\\0&0&1:2\end{array}\right]](/tpl/images/0231/2966/f2783.png)
Other questions on the subject: Mathematics
Mathematics, 22.06.2019 00:30, dragpack70
Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15
Answers: 1
Mathematics, 22.06.2019 03:00, shreyasvrangan
Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9
Answers: 1
Mathematics, 22.06.2019 04:00, babbygirl8597
Jack has to solve the problem 281-266.how would you tell him to solve the problem ? tell which strategy you would use ,and solve the problem.
Answers: 3
Do you know the correct answer?
use the augmented matrix method to solve the following system of equations. your answers may be give...
Questions in other subjects:
Social Studies, 03.07.2019 10:30
Social Studies, 03.07.2019 10:30
Chemistry, 03.07.2019 10:30
English, 03.07.2019 10:30
History, 03.07.2019 10:30
Mathematics, 03.07.2019 10:30
Social Studies, 03.07.2019 10:30
