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Over9000

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Re: over9000 questions thread
« Reply #45 on: March 15, 2009, 06:15:40 pm »
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Another question.
The graph of a cubic function cuts the x-axis at the point with coordinates (a,0) and touches the x-axis when x=b. It has a y-axis intercept of . Find the equation of the cubic function.
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TrueTears

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Re: over9000 questions thread
« Reply #46 on: March 15, 2009, 06:17:57 pm »
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(notice when it says 'touch' it's always to the power of 2)

sub in in there and solve for D

then sub D back in terms of a and b and there is the equation
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Over9000

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Re: over9000 questions thread
« Reply #47 on: March 15, 2009, 06:20:14 pm »
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Oh, ok. So I got , is that right
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Re: over9000 questions thread
« Reply #48 on: March 15, 2009, 06:22:03 pm »
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Yeap, that's the same as my working that i just done :)
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Over9000

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Re: over9000 questions thread
« Reply #49 on: March 15, 2009, 06:23:46 pm »
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Ok, thanks, I got that but just wnated to make sure it was right, because I'm doing an assignment and theres no answers, :xD
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Gundam 00 is SOOOOOOOOHHHHHHHHH GOOOOOOOOOOODDDDDDDDDDDD I cleaned my room

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Re: over9000 questions thread
« Reply #50 on: March 15, 2009, 06:24:34 pm »
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Quote from: Over9000 on March 15, 2009, 06:23:46 pm
Ok, thanks, I got that but just wnated to make sure it was right, because I'm doing an assignment and theres no answers, :xD
hehe no worries mate, bored as hell atm need some questions to do :)
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Over9000

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Re: over9000 questions thread
« Reply #51 on: March 22, 2009, 03:49:28 pm »
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I cant do question 2 in the assignment?
Any ideas on how to do it?
Heres the link for it http://img25.imageshack.us/img25/867/pr0pr0g.jpg
« Last Edit: March 22, 2009, 03:56:24 pm by Over9000 »
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Flaming_Arrow

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Re: over9000 questions thread
« Reply #52 on: March 22, 2009, 03:53:21 pm »
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Quote from: Over9000 on March 22, 2009, 03:49:28 pm
I cant do question 2 in the assignment?
Any ideas on how to do it?
Heres the link for it http://intranet.scotch.vic.edu.au/ScotchLP/DataStorage1.nsf/Files/335D2CD0FB09EC9A4A25757E0014A075

we can't access it
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Over9000

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Re: over9000 questions thread
« Reply #53 on: March 22, 2009, 03:56:44 pm »
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K, try that link now  ;)
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Re: over9000 questions thread
« Reply #54 on: March 22, 2009, 04:08:42 pm »
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part a

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Flaming_Arrow

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Re: over9000 questions thread
« Reply #55 on: March 22, 2009, 04:10:51 pm »
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part b


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Over9000

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Re: over9000 questions thread
« Reply #56 on: March 22, 2009, 04:39:48 pm »
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Thanks FlamingArrow
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Over9000

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Re: over9000 questions thread
« Reply #57 on: March 22, 2009, 04:42:47 pm »
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Simplify and then evaluate, without using a calculator

Full working must be shown.
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Re: over9000 questions thread
« Reply #58 on: March 22, 2009, 05:07:55 pm »
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Have you tried changing them into prime decompositions? (Thanks to kamil9876 :))
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Over9000

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Re: over9000 questions thread
« Reply #59 on: March 22, 2009, 05:12:14 pm »
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Sort of, but I still dont understand what to do after that
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Gundam 00 is SOOOOOOOOHHHHHHHHH GOOOOOOOOOOODDDDDDDDDDDD I cleaned my room

VCE 200n(where n is an element of y): Banter 3/4, Swagger 3/4, Fresh 3/4, Fly 3/4
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