\( \left|\begin{array}{l}\frac{5}{y}=x \\ \text { Direct variation } \\ \text { Constant of variation: } k=\square \\ \text { Inverse variation } \\ \text { Constant of variation: } k=\square\end{array}\right| \)

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

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

ii) \( \frac{4 x^{2}+3 x+7}{x+1} \)

2.3 Express \( \frac{1}{\sqrt{2}+1} \) in its simpl