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November 01, 2025, 10:11:33 am
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Author Topic: insight 06  (Read 876 times)  Share 

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vidang

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insight 06
« on: October 31, 2010, 09:51:04 pm »
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linear module
question 9
im getting c
y=1/4x^2
why is it E?


the exam: http://vcenotes.com/forum/index.php/topic,31845.0.html
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77.85.. is the number I better wake up to on the morning of December 13th

jasoN-

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Re: insight 06
« Reply #1 on: October 31, 2010, 09:53:18 pm »
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y = kx^2
At x^2 = -1 and y = -4: (key point x^2 is -1 NOT x = -1)
-4 = -1k
k=4
Therefore y = 4x^2
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vidang

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Re: insight 06
« Reply #2 on: October 31, 2010, 09:55:16 pm »
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LOLOL i did that exact thing but got 1/4
clumsy me
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77.85.. is the number I better wake up to on the morning of December 13th
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