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Math P2 Oct/Nov 1999 HELP !!
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Topic: Math P2 Oct/Nov 1999 HELP !! (Read 2275 times)
Q80BOY
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Math P2 Oct/Nov 1999 HELP !!
«
on:
May 07, 2009, 08:27:02 am »
IGCSE (CIE) Mathematics Paper 2 October/November 1999
(ive attched the paper)
Page 2, Question 2
(Done)
Special thanks to Sweetsh and IG Girl
«
Last Edit: May 07, 2009, 08:38:09 am by Q80BOY
»
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sweetsh
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Re: Math P2 Oct/Nov 1999 HELP !!
«
Reply #1 on:
May 07, 2009, 08:31:41 am »
3(x + 1) >= 5 -x
3x+3 >= 5-x
3x+x >= 5-3
4x >= 2
x >= 0.5
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AS girl
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Re: Math P2 Oct/Nov 1999 HELP !!
«
Reply #2 on:
May 07, 2009, 08:33:54 am »
this is ur question Solve
the inequality 3(x + 1) >= 5 -x
first expand the brackets
3x+3 >= 5-x
Put x in one side and the numbers in the other side and flip the sign
3x+x>=5-3
4x>=2
x>=2/4
x>=0.5
Which means that x is bigger or equal to 0.5
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If i fall along the way pick me up and dust me off...and if i get too tired to make it..be my breath so i can walk!!
AS girl
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Re: Math P2 Oct/Nov 1999 HELP !!
«
Reply #3 on:
May 07, 2009, 08:37:12 am »
I need help with the same question paper but with no 16!!
I get mixed up when simplifying!
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If i fall along the way pick me up and dust me off...and if i get too tired to make it..be my breath so i can walk!!
sweetsh
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Re: Math P2 Oct/Nov 1999 HELP !!
«
Reply #4 on:
May 07, 2009, 08:40:56 am »
16) a. 2x
4
* 5x
= 10x
5
b. x
2
/x
0.5
=x
1.5
c. ----
=(2x
0.5
)
6
=(2x)
3
=8x
3
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AS girl
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Re: Math P2 Oct/Nov 1999 HELP !!
«
Reply #5 on:
May 07, 2009, 08:49:18 am »
Thanks sweetsh!!
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If i fall along the way pick me up and dust me off...and if i get too tired to make it..be my breath so i can walk!!
Q80BOY
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Re: Math P2 Oct/Nov 1999 HELP !!
«
Reply #6 on:
May 07, 2009, 08:50:29 am »
i attached the mark scheme if any one needs it
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sweetsh
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Re: Math P2 Oct/Nov 1999 HELP !!
«
Reply #7 on:
May 07, 2009, 08:51:16 am »
Good the answers are right.
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Math P2 Oct/Nov 1999 HELP !!