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Daughter needs help with Maths homework please, A
| Profile | Posted by | Options | Post Date |
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Julie | Report | 23 Mar 2006 21:59 |
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Best thing you can do is work out the 'WALT' - learning intention - your daughter should have this on her homework .... can usually piece a lot together from this. WALT is What We Are Learning Today. What year is she in? I can pull up the schemes of work for you so you can see the learning progression and what they're trying to get at if that would help you..... Julie |
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Caroline | Report | 22 Mar 2006 20:15 |
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no problem. am happy to help Caz just to let you know, am going home now. hope rest of homework not so evil! luv, Caz |
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Dawnieher3headaches | Report | 22 Mar 2006 20:14 |
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thanks melissa(dawns daughter) |
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Researching: |
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Caroline | Report | 22 Mar 2006 20:13 |
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not guilty!! :D |
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Eagles 4 | Report | 22 Mar 2006 20:12 |
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Caroline are you a maths teacher? |
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Caroline | Report | 22 Mar 2006 20:06 |
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2, 9,20,35,54,77 first diff: 7, 11, 15, 19, 23 second diff: 4 this means that the sequence has the form 2n^2 (2n squared) n = 1,2,3,4,5, 6 2x1^2 = 2 2x2^2 = 8 2x3^2 = 18 2x4^2 = 32 2x5^2 = 50 2x6^2 = 72 these numbers are n-1 away from the numbers in the sequence so the sequence is y = 2n^2 + (n-1) 2 + (1-1) = 2 8 + (2-1) = 9 18 + (3-1) = 20 32 + (4-1) = 35 50 + (5-1) = 54 72 + (6-1) = 77 |
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James | Report | 22 Mar 2006 19:53 |
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Gosh.......oh Dear...going down ....1x1=2 2x1=2...3X1 =3 gone.......James ;<)) |
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Dawnieher3headaches | Report | 22 Mar 2006 19:52 |
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daughter says thank but can we phone a friend again. Determine a formula for the general term of the sequence 2, 9,20,35,54,77 |
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Caroline | Report | 22 Mar 2006 19:45 |
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Germaine is right, jusr re read the question y = 11X - 6 |
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Germaine | Report | 22 Mar 2006 19:45 |
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16 +11 =27 first 5 in sequence. 5 16 27 38 49 I think that is right. Germaine x Whoops forgot about formulas hated algebra. |
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Caroline | Report | 22 Mar 2006 19:44 |
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ok, the difference between 16 and 27 is 11. This is a constant for the sequence so the general formula is y=11x+5 where x=1,2,3,4,5 etc (or whatever letters your daughter has been told to use) |
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Sandra B | Report | 22 Mar 2006 19:42 |
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Gulp! |
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Dawnieher3headaches | Report | 22 Mar 2006 19:41 |
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the 2nd and 3rd terms of a sequence are 16 and 27. The difference between successive terms in the sequence is always constant. a) Determine the general formula for the sequence b) Calculate the first 5 terms of the sequesnce |
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Caroline | Report | 22 Mar 2006 19:38 |
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*blushes* no problem :) |
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Dawnieher3headaches | Report | 22 Mar 2006 19:38 |
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thank you Caroline |
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Dizzy Lizzy 205090 | Report | 22 Mar 2006 19:38 |
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In case it helps (it helped me) i found this example: e.g. In the sequence 4, 7, 12, 19, 28, the first differences are 3, 5, 7, 9, and the second differences are 2, 2, 2, In the sequence 1, 7, 17, 31, 49, -; the first differences are 6, 10, 14, 18, -; and the second differences are 4, 4, 4, -; Liz |
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Tina-Marie | Report | 22 Mar 2006 19:38 |
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*takes BIG note of Cazs' name for future mathematical problems* LOL Tina |
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Sandra B | Report | 22 Mar 2006 19:36 |
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I was useless too, no way could I do that!!!!She can sit all smug and clever tomorrow..........Hope teacher isn't on this!!! |
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Caroline | Report | 22 Mar 2006 19:36 |
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9, 4, -5, -18, -35 -5 -9 -13 -17 -4 Caz :) |
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Tina-Marie | Report | 22 Mar 2006 19:35 |
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I'm 45 and couldn't do it! Good luck to her. lol Tina |
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