need some help (1 Viewer)

[Pinkled]

I need help on this question, thanks.

 

[gr_111]

View attachment 25617 I need help on this question, thanks.

You may have already got this, but heres my latex practice.

<a href="http://www.codecogs.com/eqnedit.php?latex=\text{Use ratio of intercepts formula, where in this case:}\\ \begin{align*} \text{For a)} \frac{AD}{DG} &= \frac{BE}{EH}\\ \\ \frac{x-8}{21.25} &= \frac{5}{x-4}\\ \\ \therefore (x-8)(x-4) &= (5)(21.25)\\ \\ ... \text{work this out to factorise into:}\\ (x-16.5)(x@plus;4.5) &= 0\\ \therefore \fbox{x = 16.5}, -4.5\\ \\ \text{For b) } \frac{BE}{EH} &= \frac{CF}{FI}\\ \\ \frac{5}{12.5} &= \frac{7.5}{z}\\ \\ 5z &= 93.75\\ z &= 18.75 \end{align*}" target="_blank"><img src="http://latex.codecogs.com/png.latex?\text{Use ratio of intercepts formula, where in this case:}\\ \begin{align*} \text{For a)} \frac{AD}{DG} &= \frac{BE}{EH}\\ \frac{x-8}{21.25} &= \frac{5}{x-4}\\ \therefore (x-8)(x-4) &= (5)(21.25)\\ ... \text{work this out to factorise into:}\\ (x-16.5)(x+4.5) &= 0\\ \therefore \fbox{x = 16.5}, -4.5\\ \\ \text{For b) } \frac{BE}{EH} &= \frac{CF}{FI}\\ \\ \frac{5}{12.5} &= \frac{7.5}{z}\\ \\ 5z &= 93.75\\ z &= 18.75 \end{align*}" title="\text{Use ratio of intercepts formula, where in this case:}\\ \begin{align*} \text{For a)} \frac{AD}{DG} &= \frac{BE}{EH}\\ \frac{x-8}{21.25} &= \frac{5}{x-4}\\ \therefore (x-8)(x-4) &= (5)(21.25)\\ ... \text{work this out to factorise into:}\\ (x-16.5)(x+4.5) &= 0\\ \therefore \fbox{x = 16.5}, -4.5\\ \\ \text{For b) } \frac{BE}{EH} &= \frac{CF}{FI}\\ \\ \frac{5}{12.5} &= \frac{7.5}{z}\\ \\ 5z &= 93.75\\ \fbox{z &= 18.75} \end{align*}" /></a>