6. \( \left(\begin{array}{cc}14 & -5 \\ -3 & 3\end{array}\right) \cdot X \cdot\left(\begin{array}{cc}7 & 8 \\ -14 & 8\end{array}\right)=\left(\begin{array}{cc}-959 & 1952 \\ 84 & -48\end{array}\right) \) 7. \( \left(\begin{array}{cc}14 & -11 \\ -3 & 6\end{array}\right) \cdot X \cdot\left(\begin{array}{cc}13 & 12 \\ -5 & 1\end{array}\right)=\left(\begin{array}{cc}-532 & -463 \\ -39 & 183\end{array}\right) \)

\( \left\{ \begin{array} { l } { 2 x y - y = 7 } \\ { x - 5 y - 2 } \end{array} \right. \)

Question 8 ( 3 marks) What is the equation of the line that passes through the points \( (1,6) \) and \( (3,2) \) ? \( y=\square x+\square \)

d the exact value of the solution to the equation \( 2 e^{2 x}-7 e^{x}-4=0 \)

November 2018 ZIMSEC Paper 1 Solve the following simultancous equations: \[ \begin{array}{l}e^{2 x+y}=1 \\ 4 x-3 y=10\end{array} \]

2imalify \( \frac{x^{2}-y^{2}}{x^{2} x y} \) \( \frac{y+2 x-3 y}{3 x-2 y}=4 \), evaluate \( 2 x y \) If \( z=\sqrt{x^{2}-y^{2}} \), express \( x \) interm 9 \( y \) and 2