C1 ccea 2019 Watch

Cdavis604
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#1
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#1
Anyone doing C1 today post what answers you got to compare them
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JDudd161
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#2
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What did you get for the value of x for the minimum area question?
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Cdavis604
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#3
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x=4 to the power of 1/3rd
What about you? What other answers did you get?
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JDudd161
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Yeah same here, what about the remainder for f(2x+1) and the last question
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Cdavis604
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What did you get for those? It might rejog my memory

(Original post by JDudd161)
Yeah same here, what about the remainder for f(2x+1) and the last question
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JDudd161
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For that remainder question it was the one after the one that asked you to find p (which I got was 3), and I got a daft answer, think it was -213/8. Then the last question I got k< (2/3) - (2/3) root 7 And k> 2/3 + 2/3 root 7. But last question did ask you to find k for which there is no real roots yeah?
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Cdavis604
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#7
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I’m nearly sure they are the exact answers I got too. Yes so b2-4ac was less than o but the sign changed at the end. Just realising I had x instead of k in my answer

(Original post by JDudd161)
For that remainder question it was the one after the one that asked you to find p (which I got was 3), and I got a daft answer, think it was -213/8. Then the last question I got k< (2/3) - (2/3) root 7 And k> 2/3 + 2/3 root 7. But last question did ask you to find k for which there is no real roots yeah?
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DanBigMacMeal
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yeah i got x = cube root of 4
and the remainder question was the same, something like 216/8
and the values of k same as you, 2-2(root)7 over 3
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Cdavis604
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#9
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What did you get for the first one rationalising denominator and the algebraic division one?
(Original post by DanBigMacMeal)
yeah i got x = cube root of 4
and the remainder question was the same, something like 216/8
and the values of k same as you, 2-2(root)7 over 3
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JDudd161
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Yeah seems we’re all getting the same answers which is good to hear
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JDudd161
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1 + root 2 for the first question and then -4/x
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Cdavis604
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#12
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I got the same...phew!

(Original post by JDudd161)
1 + root 2 for the first question and then -4/x
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DanBigMacMeal
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#13
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-4/x is the answer i remember
(Original post by Cdavis604)
What did you get for the first one rationalising denominator and the algebraic division one?
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Cdavis604
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#14
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Yeah I got that too!
(Original post by DanBigMacMeal)
-4/x is the answer i remember
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Cdavis604
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#15
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How about the stationary point?
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JDudd161
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Do any of yous remember what you got for the co ordinates of the stationary point? I got (1/4, 19/2) something like that
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CoolR
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#17
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How was C1 today???
Any advice for new spec a level exam on Wednesday
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Cdavis604
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#18
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I’m nearly sure I got that too. Did you get x was 1/2 for an answer?
(Original post by JDudd161)
Do any of yous remember what you got for the co ordinates of the stationary point? I got (1/4, 19/2) something like that
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Cdavis604
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#19
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My advice is to just complete all the past papers from c1 and c2 as I’ve heard your spec has a mixture of both and just attempt every question, don’t leave it blank

(Original post by CoolR)
How was C1 today???
Any advice for new spec a level exam on Wednesday
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JDudd161
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What question was it that you got x = 1/2 for?
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