Use a Graphing Calculator to Solve the System of Equations $\left[\begin{array}{rr}9 & -2 \\ 7 & -2\end{array}\right]$

True/False

Use a graphing calculator to solve the system of equations. Round your solution to one decimal place. $\left[\begin{array}{rr}9 & -2 \\ 7 & -2\end{array}\right]$ and $\left[\begin{array}{rr}\frac{1}{2} & \frac{1}{2} \\ -\frac{7}{4} & -\frac{9}{4}\end{array}\right]$