![\left[\begin{array}{cc}4&-2\\1&-6\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]\textrm{ = }\left[\begin{array}{c}14\\-13\end{array}\right]](/tpl/images/0354/0649/a63df.png)
⇒
![A=\left[\begin{array}{cc}a&b\\c&d\end{array}\right]](/tpl/images/0354/0649/43a39.png)
of size 
× ![A^{-1}=\frac{1}{ad-bc}\left[\begin{array}{cc}d&-b\\-c&a\end{array}\right]](/tpl/images/0354/0649/271d9.png)
.![\left[\begin{array}{cc}4&-2\\1&-6\end{array}\right]^{-1}=\frac{1}{-22}\left[\begin{array}{cc}-6&2\\-1&4\end{array}\right]](/tpl/images/0354/0649/7b928.png)
![\left[\begin{array}{c}x\\y\end{array}\right]=\frac{1}{-22}\left[\begin{array}{cc}-6&2\\-1&4\end{array}\right]\left[\begin{array}{c}14\\-13\end{array}\right]=\left[\begin{array}{c}5\\3\end{array}\right]](/tpl/images/0354/0649/c8d48.png)
Find system by matrix 4) 4x – 2y = 14
x - 6y=-13...
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 20.06.2019 18:04, PinkDivaGirl02
Me find the measure to side c and the process to solve the problem you appreciate it : )
Answers: 1
Mathematics, 21.06.2019 17:00, KendallTishie724
In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.
Answers: 2
Mathematics, 21.06.2019 17:10, tdahna0403
The graph of g(x) is a translation of y = which equation represents g(x)?
Answers: 1
Mathematics, 21.06.2019 18:00, 22justinmcminn
Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table
Answers: 1
Do you know the correct answer?
Questions in other subjects:
Mathematics, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Biology, 09.03.2021 01:00
