Here are Billy McArthur's Solutions
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source?he is the head marker of mathematics extension 1
he is my dadsource?
Really? Where did he use the fact that the gradient of OQ is t?well technically he kind of did. using the hence method would get you an equation like the answers did. more people didnt use the hence method and talked about it graphically
woops my bad. but other people used y/x=t which is using the previous partReally? Where did he use the fact that the gradient of OQ is t?
Gumball was claiming he was your child..... :/Haha, no I'm not. I'm just a Maths teacher that likes to keep my finger on the pulse with regard to the Maths curriculum, particularly senior years. If I get the time I like to write my own solutions for papers and create new questions to use for my own assessments.
I find it kind of interesting that someone would claim I am the head marker though. Not sure where that came from.
Gumball was claiming he was your child..... :/