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October 07, 2025, 03:22:31 am
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Author Topic: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!  (Read 33824 times)  Share 

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andy456

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #30 on: November 05, 2010, 04:09:40 pm »
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Just wondering for Q4.b you've written pi/6 or -5pi/6

Does that mean only 1 is needed or was that a mistake?

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10weid

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #31 on: November 05, 2010, 04:11:07 pm »
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both are needed, domain is from neg pi to pi, both would yield tan(x) = 1/root3....
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CharlieW

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #32 on: November 05, 2010, 04:12:55 pm »
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i didn't do the exam

but for 3a) dont' u need a specified domain, theyre quite pedantic on that kinda stuff
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stonecold

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #33 on: November 05, 2010, 04:13:40 pm »
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Quote from: 10weid on November 05, 2010, 04:09:05 pm
except in vcaa '09, the last sub q was a killer, only like 3% of the state got it..
whereas today, the last q was very doable, similar triangles r nothing all that complex...

yeah, but at least linear approximation is explicitly on the study design.  similar triangles isn't

whilst they are not hard i agree, unless someone has taught them to you, how do they expect you to know this stuff.

it doesn't really come up in any textbooks...
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andy456

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #34 on: November 05, 2010, 04:15:47 pm »
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Quote from: 10weid on November 05, 2010, 04:11:07 pm
both are needed, domain is from neg pi to pi, both would yield tan(x) = 1/root3....
What would happen if you had one but not the other.... no marks??
or just 1/2 for working tan(x)=1/sqt(3)
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Blakhitman

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #35 on: November 05, 2010, 04:19:00 pm »
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1 mark for working, no answer marks I reckon.
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azn_dj

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #36 on: November 05, 2010, 04:21:26 pm »
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the one about pi/6 or -5pi/6, its because x can equal pi/6 OR -5pi/6
If it was time, it couldn't be both at the same time, or any other thing.
It's just a language issue, but you do need to include both values.
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awesomeman

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #37 on: November 05, 2010, 04:25:26 pm »
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you people are fucked up ... oh well methods is my 6th anyway, i'll burn you fools in english
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nehcrow

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #38 on: November 05, 2010, 04:41:06 pm »
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wait, for f(f(x)) do you need to put a domain in? i always forget to do that :|
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stonecold

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #39 on: November 05, 2010, 04:42:26 pm »
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Quote from: nehcrow on November 05, 2010, 04:41:06 pm
wait, for f(f(x)) do you need to put a domain in? i always forget to do that :|


I doubt it for 1 mark...
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Souljette_93

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #40 on: November 05, 2010, 04:42:51 pm »
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Quote from: awesomeman on November 05, 2010, 04:25:26 pm
you people are fucked up ... oh well methods is my 6th anyway, i'll burn you fools in english

Dec 13th will bear witness to such a claim...

And nechrow: Q's worth only one mark. so no, i don't think you will need to state it.
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nehcrow

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #41 on: November 05, 2010, 04:44:23 pm »
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phew...
looks like 100% for me :D :D :D
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TrueTears

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #42 on: November 05, 2010, 04:50:19 pm »
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Similar triangles is assumed knowledge dating back to year 10... and if you used Essentials, there are questions with regards to similar triangles in the examples+exercises.
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InitialDRulz

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #43 on: November 05, 2010, 05:02:59 pm »
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Truetears: It might be assumed knowledge, but my school barely even touched it. I think the last thing i did High School Geometry was like Year 8? (besides Specialist Maths geometry, thats different).

The fact that it wasn't in the study design was outrageous, i thought it was locked onto whats in it, not just 'assumed' knowledge as well, thats retarded. I could throw in a Probability question from Year 10 maths into Specialist and say its 'assumed' knowledge....doesn't work LOL
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brandonio

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Re: FULL WORKED SOLUTIONS FOR EXAM 1 NOW AVAILABLE!!!!!
« Reply #44 on: November 05, 2010, 05:05:25 pm »
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NOOOOOOOOOOOOO FCKN SIMILAR TRIANGLES Y DIDNT I NOTICE IT EARLIER
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