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Divide the sequence by 5 and the answer becomes very obvious:
1, 4, 9, 16,...N2
So, 5, 20, 45, 80,...5N2
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∙ 13y ago
Ashok Dhungana
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What is the nth term of the quadratic sequence 5 20 45 80 125?
{5, 20, 45, 80, 125} = 5{1, 4, 9, 16, 25} = 5{1², 2², 3², 4², 5²} → U{n} = 5n²
What is the nth term of the sequence 10 13 18 25 34?
The next term is 45 because the numbers are increasing by increments of 3 5 7 9 and then 11
What is the nth term of the sequence 15 25 35 45 55?
15(1)
What is the formula for the nth Term of these sequences 13 21 29 37 45 ...?
nth term = 5 +8n
What is the nth term of 1 6 11 16 and 21?
5n+1
How do you find the nth term?
Say if you had the pattern 15 20 25 30 35 40 45 50 To find the nth term you have to see what the gap between the numbers is. In our case this is 5. Then you have to find out what the difference between the gap and the first number. In this sequence it is 10. So your answer would be..... 5n+10 That's how you find the nth term.
What is the nth term of the quadratic sequence 5 20 45 80 125?
{5, 20, 45, 80, 125} = 5{1, 4, 9, 16, 25} = 5{1², 2², 3², 4², 5²} → U{n} = 5n²
What is the nth term of the sequence 10 13 18 25 34?
The next term is 45 because the numbers are increasing by increments of 3 5 7 9 and then 11
What is the nth term of the sequence 15 25 35 45 55?
15(1)
What is the formula for the nth Term of these sequences 13 21 29 37 45 ...?
nth term = 5 +8n
What is the nth term for the sequence 13 25 45 73 109?
There are infinitely many possible solutions to such a question. The simplest quadratic is Un = 4n2 + 9
What is the nth term of -5 10 -15 20?
1. -52. 103. -154. 205. -256. 307. -358. 409. -45
What is the nth term of 1 6 11 16 and 21?
5n+1
What is the nth term of 3 11 25 and 45?
3n^2 - n + 1
What is the nth term of 6 15 28 45 66?
6 = 2 * 3 15 = 3 * 5 28 = 4 * 7 45 = 5 * 9 66 = 6 * 11 Assuming the pattern continues, the nth term is (n + 1) * (2n +1) = 2n^2 + 3n + 1.
What is the nth term for 10 13 18 25 34 45?
tn = n2 + 9, n = 1,2,3,...
What is the nth term for 25 22 19 16?
t(n) = 28-3n where n = 1,2,3,...
