57 items are filed under this topic.








Two sequences 
20160820 

From Ting: The first four terms of a sequence are 4, 20, 56 and 120. By comparing with the nth term of sequence 1,5,14 and 30 which is 1/6n(n+1)(2n+1), find a formula for nth term. Can you precisely show out how you do this questions ( with the steps please) Answered by Penny Nom. 





The nth term 
20150704 

From ujjal: What is the nth term in the order 6,8,10.... Answered by Penny Nom. 





Find the nth term 
20141026 

From Kenneth: According to the pattern of the following sequence. Find it's nth term:
3,9,27,81,243,.......... Answered by Penny Nom. 





9,4,6,8,3,... 
20140331 

From Alynna: You are given the following pattern: 9,4,6,8,3,...
Create a formula for the nth figure.
I have trouble finding the formula, I need help trying to find it. Answered by Penny Nom. 





The nth term of a sequence 
20121019 

From Emily: I don't understand how to do this question:
Nth term for 9, 7, 5, 3, 1
Is there a fast way to do nth term for this question? Or in fact any question? Answered by Penny Nom. 





The nth term 
20120505 

From Justin: Which expression can be used tofind the nth term in this sequence?
94,75,56,37,18,.....
My choices are
A. 19n=113 B. 21n+115
C. 19+75 D. 21n+73
Please explain how to get the correct answer. I think it is A. but I am not sure, Answered by Penny Nom. 





The nth term of a sequence 
20110701 

From Rachel: I am trying to help my son get ready for our Aims test and I am not much help. The sequence is 2,5,10,17 The question is which equation represents the rule for finding the nth term for this sequence
a. an=n + 1
b. an=2n2
c. an=n2+1
d. an=2n+1 Answered by Penny Nom. 





The nth term 
20110430 

From Samantha: predict the general term, or the nth term, An for the sequence.
1/2,2/3,3/4,4/5,5/6 Answered by Penny Nom. 





The sequence 2,3,5,5,8,7,11 
20110119 

From taylor: number relationship in number sequence 2,3,5,5,8,7,11 Answered by Chris Fisher and Penny Nom. 





The nth term 
20101122 

From Daphne:
Question from Daphne, a student:
Hi,
My name is Daphne and I am having trouble with a math problem. I am given this pattern below and asked to find an expression for the number of Bs in the nth term of the pattern. Someone please help!!!
ABBA
AABBBAA
AAABBBBAAA
AAAABBBBBAAAA
The next part asks me to find the ratio of Bs to total letters in the nth term.
Finally it says to use my expression to determine which term has exactly 35% Bs. Answered by Penny Nom. 





The nth term 
20100914 

From Anna: The problem is 2n2. find the nth term. I'm lost as how to even begin Answered by Penny Nom. 





The nth term 
20100509 

From Jessica: what is the nth term of 3, 9, 19, 33, 51
please help Answered by Walter Whiteley. 





The first five terms of a sequence 
20100214 

From Joanne: Find the first five terms of the sequences with the nth term given as follows.
n^2+3n Answered by Penny Nom. 





The nth term of a sequence 
20090911 

From Michael: My son has this question as part of his key stage 3 maths homework
The nth term of a different sequence is n  2/n^2.
We've got to find the first three terms of the sequence. Answered by Claude Tardif. 





A sequence 
20090518 

From Richard: This is my question about sequences.
Write down the nth term of the following sequences.
1/2, 3/4, 9/8, 27/16
Plz help me solve the question! Answered by Penny Nom. 





A sequence 
20090313 

From Shelly: Which sequence satisfies the rule n/4? Answered by Stephen La Rocque. 





A sequence 
20090311 

From Vly: 2; 6; 26;126;626 find the nth term Answered by Harley Weston. 





1 3 6 10 15.... 
20090226 

From Allie: 1 3 6 10 15....
i know the pattern is +2 +3 +4 +5 and so on...but i dont know how to write an equation to find the nth term. help! Answered by Robert Dawson and Claude Tardif. 





Find an expression for the nth term 
20090220 

From Dawn: Find an expression for the nth term:
x= 1 2 3 4...n
y=11 8 5 2...?
I think it's a linear relation but don't know the equation that goes with it. Answered by Stephen La Rocque. 





The sequence 5, 12, 19, 26, ... 
20090204 

From Vickie: Hello,
Here's the question. Ryan wanted to play basketball on a team, He started practicing shooting everyday to improve his skills. The first day he make 5 shots, the second day he made 12 shots, the third day he made 19 shots, and the fourth day he makde 26 shots. If the first day was March 1 and the pattern continues, how many shots will Ryan make on the last day of April and the last day of July? My daughter's answers were 425 for April and 1069 for July. Are these correct and what would be the formula for this question? ? +N=? I don't know please help.
Thank you,
Vickie Answered by Robert Dawson and Penny Nom. 





The nth term of a sequence 
20081120 

From kim: Find the next 2 terms of the sequence.
11n+2.5 Answered by Harley Weston. 





The nth term of a sequence 
20081116 

From Robin: How do I solve for the next term in the following sequence, I just don't want the answer...I want how to do it to. x,x 1, x 2
Also, how do I solve for the nth term? I can't understand the explanations I've found. He has numbers subscripted in his equations. Answered by Victoria West. 





A sequence 
20081026 

From Nicole: what is the rule to this sequence 3,6,12,24,48..... Answered by Penny Nom. 





nth term 
20081022 

From jen: what is a nth term and how do i find the nth term of any sequence Answered by Penny Nom. 





The nth term 
20080929 

From shauna: The first five numbers in a sequence are
40, 37 34, 31, 28
Find an expression for the nth number in the sequence. Answered by Penny Nom. 





The nth term of a sequence 
20080913 

From lavett: what is the Nth term in the sequence when the sequence is 2,4,8,16... and the term numbers are 1,2,3,4... Answered by Stephen La Rocque. 





The nth term 
20080316 

From ryan: need help figuring nth term for 1, 2, 5, 14, 41...... could you please help Answered by Penny Nom. 





1/2, 1/2, 3/8, 1/4, 5/32, 3/32, 7/128 
20080122 

From Neil: Find the next two terms in the following number sequence
1/2, 1/2, 3/8, 1/4, 5/32, 3/32, 7/128
Find a general rule for the nth term of the sequence Answered by Penny Nom. 





The nth term 
20071018 

From shannon: Ok , what i am having problems with is the nth term. I get how the numbers come together, but i am having trouble with finding the nth term. Answered by Penny Nom. 





A sequence of numbers 
20070930 

From eleanor: can you find the nth term of the sequence ( n starts at three)
1=?
2=?
3= 4
4= 10
5=20
6 = 35
7= 56
i only hand the 3rd 4th 5th 6th and 7th numbers in the sequence
can you please tell me how to find the nth term and what is it :) Answered by Stephen La Rocque and Victoria West. 





The nth term 
20070929 

From zoe: what is the nth term for the following sequence...
5, 2, 1, 4 Answered by Leeanne Boehm. 





The sequence 2,4,7,11,16,22 
20070922 

From Simon: I thought i understood how to explain how to work out the nth term on a
sequence of numbers until my son had this sequence to work out 
2,4,7,11,16,22
We have worked out the 2nd differance is +1 but nothing else seems to fit.
Im sure the answer is staring us in the face but cant see the wood for the
trees! Answered by Denis Hanson and Steve La Rocque. 





The nth term 
20070913 

From Rookin: Can you help me find the nth term for this ...
20,17,14,11,8
i'm really confused oh and could you also tell me how you got the answer? Answered by Steve La Rocque, Claude Tardif and Harley Weston. 





The nth term 
20070909 

From Conor: Please can you help me with this question on the subject of the Nth term.
3.5, 5, 6.5, 8, 9.5
5.1, 7.2, 9.3, 11.4... Answered by Penny Nom. 





nth term in this series 
20070907 

From danii: im trying to solve the nth term for this pattern.
1 3 6 10 15 21 28
any help would be appretiated Answered by Stephen la Rocque. 





3, 6, 12, 21, 33, 48, 66 
20070502 

From Siew: I need to find the nth term formula for the sequence :
3, 6, 12, 21, 33, 48, 66 Answered by Stephen La Rocque. 





Find the nth term 
20070227 

From Dinky: My teacher has set us a project, but i am having trouble finding the nth term for this. the numbers are: 1, 2, 6, 24, 120 could you please help me? thank you dinky113 Answered by Stephen La Rocque and Penny Nom. 





The nth term 
20070213 

From Sarah: I am having difficulty in finding the nth term for 7,49,343,2401. Could you please help me in finding the correct answer? Answered by Stephen La Rocque. 





5,8,11,14,17 
20070118 

From Mairead: the sequence i was given was 5,8,11,14,17 what is the nth term and what is the 10th term ? Answered by Paul Betts. 





1, 3, 6, 10... 
20061215 

From Lisa: What is the nth term for the sequence, '1, 3, 6, 10...' and could you say how you got the anwser. Answered by Stephen La Rocque and Penny Nom. 





The nth term 
20061215 

From Lisa: I have worked out that the nth term for 1, 4, 9, 16 is n squared and 3, 5, 7, 9 is 2n  1, so what is the rule for the sequence 1x3, 4x5, 9x7, 16x9? Answered by Penny Nom. 





The nth term 
20061214 

From Hepzibah: what is the definition of nth term and n? Answered by Penny Nom. 





How many line segments are necessary? 
20061004 

From Varun: If you place 35 points on a piece of paper so that no three are collinear, how many line segments are necessary to connect each point to all the others? Answered by Stephen La Rocque. 





Find the nth term 
20060913 

From Shakira:
my question is  Find an expression for the nth term of each sequence.
a. 6,15, 28, 45, 66
b, 1/5, 3/8, 5/13, 7/20, 6/29  these are fractions
Answered by Penny Nom. 





The nth term of a sequence 
20060524 

From A student: please could you give me a formula for the following numbers for my teacher
3 8 15 24 35 Answered by Chris Fisher. 





The nth term 
20060305 

From Umar: my question is what is the nth term for a house of cards 4 stories high if you use the following numbers:
2 7 15 26 Answered by Penny Nom. 





The nth term of a sequence 
20060221 

From Mike: I'm having trouble finding the nth term in an equation, can you help me? Answered by Stephen La Rocque. 





Finding the nth term in fractions 
20060123 

From Zarina: Each term in this sequence is made by increasing the numerator by 1 and the denominator by 3. here are the first five terms:
1/4, 2/7, 3/10, 4/13, 5/16, ...
(a) write an expression for the nth term: Answered by Penny Nom. 





Find the nth term 
20051214 

From Kevin: How do i find the nth term of 1 4 9 16 25 36 Answered by Penny Nom. 





2, 6, 12, 20, 30, ... 
20051101 

From Rebecca: I have a sequence of I have a sequence of 2, 6, 12, 20, 30, and have no idea how to figure out the nth term please help! Answered by Claude Tardif. 





Finding the nth term 
20050912 

From Paul:
Hi , Im having a problem helping my daughter to find the Nth Term in the following sequences.
1/3 1/2 3/5 2/3
and
1 3 6 10
Answered by Penny Nom. 





A sequence 
20041211 

From Amanda: Find the nth term of the following sequence
4, 10, 28, 82 Answered by Penny Nom. 





A sequence 
20041119 

From Liucy: Find the Nth term:
10 40 90 160 250 Answered by Penny Nom. 





The nth term 
20040908 

From Alex: What is the nth term?... Like what is it?, How do I find it?, and how exactly is used?... Answered by Penny Nom. 





What is the nth term 
20040407 

From Jason: 1 4 10 20 35 56 84
what is the nth term Answered by Claude Tardif. 





What is nth term? 
20021106 

From Joga: What is nth term: First sequence: 2, 4,7,11, 16, nth term Second sequence: 4,10, 28, 82, nth term Answered by Penny Nom. 





Some terms in a sequence 
20010115 

From jamie: Please help as soon as possible! i am stuck with some terms in a sequence. the terms are 1st term=1, 2nd term=10, 3rd term=35, 4th term=84, 5th term=165, 6th term=286. can anyone tell me the formula for the nth term? n is term number Answered by Sukanta Pati. 


