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anonymous
 one year ago
Medal and fan!
which product represents the solution to the system?
3x+4y=2
2x+5y=6
anonymous
 one year ago
Medal and fan! which product represents the solution to the system? 3x+4y=2 2x+5y=6

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0apply matrices. \[\left[\begin{matrix}3 & 4 \\ 2 & 5\end{matrix}\right]\left(\begin{matrix}x \\ y\end{matrix}\right)=\left(\begin{matrix}2 \\ 6\end{matrix}\right)\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I am sure you can follow the rules of matrices to find the solution of x and y now from the previous post

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0try calculating the inverse of the matrix again

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\left[\begin{matrix}3 & 4 \\ 2 & 5\end{matrix}\right]\left(\begin{matrix}x \\ y\end{matrix}\right)=\left(\begin{matrix}2 \\ 6\end{matrix}\right)\] \[\left(\begin{matrix}x \\ y\end{matrix}\right)=\left[\begin{matrix}3 & 4 \\ 2 & 5\end{matrix}\right]^{1}\left(\begin{matrix}2 \\ 6\end{matrix}\right)\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0remember the inverse of a matrix for a 2x2 matrix \[A=\left[\begin{matrix}a & b \\ c & d\end{matrix}\right]\] then \[A ^{1}=\frac{ 1 }{ adbc }\left[\begin{matrix}d & b \\ c & a\end{matrix}\right]\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0feel free to fan me so you can ask me for help straight away when you need it :)
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