# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,916 questions, page 6
1. ## math

The sum of the third and seventh terms of a linear sequence is 38 and the ninth term is 37.find the sequence.

asked by naa on September 12, 2016
2. ## Calculus

Determine whether the sequence with the given nth term is monotonic. Find the boundedness of the sequence. Otherwise, indicate DNE. An = ne^(-n/2)

asked by Jenny on February 11, 2013
3. ## Maths

The first 5 terms of an arithmetic sequence are -2, 5, 12, 19, 26 Find the formula for the nth term of this sequence

asked by H on May 13, 2019
4. ## math

Write out the first five term of the sequence determi whether the sequence converges and if so find its limit (n/(n+3) n=1 to n = ∞

asked by fatma on June 30, 2015
5. ## math

Write out the first five term of the sequence determi whether the sequence converges and if so find its limit ( n^2)/(4n+1) n= 1 to n = ∞

asked by fatma on June 30, 2015
6. ## math

Write out the first five term of the sequence determi whether the sequence converges and if so find its limit (n/(n+3) n=1 to n = ∞

asked by fatma on June 30, 2015
7. ## Mathematics

The 10th term of an arithmetic sequence 17 and the16th is 44,find the first three terms in the sequence

asked by Tenacious on January 21, 2012
8. ## Sequences

A = {a1, a1 + d1, a1 + 2d1, …}, B = {a2, a2 + d2, a2 +2d2, …}. Investigate whether A + B and A x B are arithmetic or geometric sequences. If an arithmetic sequence is identified, state its common difference. If a geometric sequence is identified, state

asked by Nelson on September 30, 2007
9. ## math

The 5th and 10th terms of a linear sequence are -12 and -27 respectively.Find first term and the common difference of the sequence

asked by stephadjay on October 14, 2018
10. ## Discrete Math

An arithmetic sequence begins, 116, 109, 102 Find the 300th term of this sequence.

asked by Francesca on March 28, 2011
11. ## math

looking at a number sequence, I am being asked what the 9th term in the sequence is. I would like to know the definition of the word "term".

asked by michael on December 19, 2011
12. ## Math

For the sequence 0,3,8,15,24; Write the general term (an equation) for the nth term of this sequence I got tn=n^2-1. Is this correct??

asked by Anonymous on May 6, 2018
13. ## 9th grade math honors

suppose t(1)=-91 and -67 is another term of an arithmetic sequence, with. What is the equation of the nth term of the sequence if there are n terms between these two?

asked by Anonymous on November 6, 2011
14. ## Pre-Calc.

Write the geometric sequence that has four geometric means between 1 and 16,807.

asked by Julissa on March 20, 2015
15. ## calc.

find the sum of the series of (-2)^n/3^n+1. This is an alternating series... what if we rewrite it as an= (1/3)* (-2/3)^(n) Divide any nth term by the n-1 term and see if you get a ratio term r. This might be a geometric series.

asked by kelly on April 17, 2007
16. ## Math/Business

S = 631 - 4417/6 + 30919/36 - 216433/216 ... A different geometric sequence has r = -6/7 and the first term is denoted x. Is this series convergent or divergent? If it is convergent, what value of x yields an infinite sum of 1085/13?

asked by Alex on November 5, 2018
17. ## algebra

Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000. How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?

asked by deli on April 29, 2013
18. ## Maths

Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000. How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?

asked by ianian on April 29, 2013
19. ## Core mathematics

The 4th term of an A.P.is 37 and the 6th term is 12 more than the 4th term.find the 1st and the 7th term of the sequence.

asked by Sequence and series on November 26, 2011
20. ## Precalculus

Find d of an arithmetic sequence if a(subscript 4)=14 and a (subscript 11)=35 I assume d is the difference between successive terms, since you have said this is an 'arithmetic' sequence. Increasing the subscript by 5 increases the value of the term by 35.

asked by Laura on June 16, 2007
21. ## Math: Arithmetic Sequence.

the 3rd of an Arithmetic sequence is 8 of the 16th term is 47. Find a subed 1 and the common difference. Construct the sequence.

asked by Jan on June 4, 2015
22. ## arithmetic

The first term of a quadratic sequence is 8 and it's fourth is 32. If the second difference of the sequence is 2, find Tn.

asked by Tk on March 21, 2011
23. ## alegebra

A sequence has the following pattern 3/2,4,15/2,12,35/2,24.Starting n=1 find the general term for the sequence?

asked by joel on April 11, 2015
24. ## maths

for the sequence 1,4,7,11,13 find the 11th term of the sequence solution; Tn=a+(n-1)d T11=1+(11-1)3 1+(10)3 30

asked by adeleke on February 23, 2016
25. ## maths

the sum of the first nine terms of an arithmetic sequence 216. The 1st, 3rd and 7th terms form the first three terms of a geometric sequence therefore find the common difference

asked by Anonymous on February 1, 2016
26. ## math help please ASAP

2. Identify the sequence as arithmetic, geometric, or neither. 1.6, 0.8, 0.4, 0.2, . . . (1 point) arithmetic geometric neither 3. 5 • 3^n (1 point) 15, 30, 45, 60 5, 15, 45, 135 0, 15, 45, 135 15, 45, 135, 405 4. Use the function rule ƒ(x) = n •

asked by Delilah on April 25, 2013
27. ## check!

If the third and ninth temr of a geometric series with a positive common ratio are -3 and -192 repectively, determine the value of the first term a Let a_1 be denoted by 'a' (first terms) then, a_3=r^2 a And, a_9=r^8 a Thus, r^8 a=-192 r^2 a=-3 Divide two

asked by JACK!!! on October 19, 2006
28. ## SAT Math

9, 13, 17, 21, ... In the sequence above, each term after the first is 4 greater than the previous term. What is the difference between the 105th term and the 99th term? I have no idea how to solve this problem

asked by Student on March 6, 2015
29. ## Math

Write a possible explicit rule for the nth term of the sequence, then use it to find the 20th term. 5, -10, 20, -40, 80, -160.... Ans: a(n) = 5(-2)^n - 1 20th term: -2621440

asked by Anonymous on June 2, 2015
30. ## math

Marissa plans to cut a wire that is 5 feet 3 inches long. How long should each of the cut pieces be if she wants 7 equal pieces of wire? Find the twenty-second term of an arithmetic sequence if the first term is 4 and the common difference is 10. Find the

asked by joe on April 19, 2010
31. ## maths

in a sequence the 50th term is 349 51st term is 354 and the 52nd term is 359 what is the first and the 100th term

asked by mariya on January 11, 2011
32. ## Math

The 6th term of an arithmetic sequence is 3 times the 2nd term. Prove that the 10th term is twice the 5th term. tn=t1+(n-1)d

asked by Naomi on September 10, 2015
33. ## math

Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38... A. n+7;707 B. 7n;700 C. 7n-4;696++ D. 6n-4;596

asked by dori on March 12, 2019
34. ## math

Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38... A. n+7;707 B. 7n;700 C. 7n-4;696 D. 6n-4;596

asked by bibby on May 13, 2015
35. ## math

Given the sequence 17, 21, 25,...589 a) Find the 123rd term in this sequence.

asked by Danielle on October 25, 2011
36. ## Math

The fifth term of an exponential sequence is greater than the fourth term by 27/2 and the fourth term is greater than the third term by 9. Find the first term and the common ratio

asked by Joe on May 21, 2018
37. ## Math

Find a1 and r for the geometric sequence: a4= -1/4 and a9= -1/28

asked by Aria on May 17, 2017
38. ## Math

find a5 and an for the geometric sequence: a1=8 and r= -5

asked by Aria on May 17, 2017
39. ## Algebra II

find Sn for geometric sequence with A1 = 8, n = 9, and r = -1 Sn = A1 = 8, n = 9 and r = -1 Sn = A1(1-r^n) / 1-r = 8(1 - 1^-1)/(1-(-1)) = 8(0)/2 = 0 is this right ?

asked by anonymous on April 18, 2011
40. ## math

Fixed points of f? f(x) = x^2+13/12x - 1/2 a) use algebra to find the fixed points and classify them. b) use the gradient criterion to determine an interval of attraction for one of the fixed points of f c) find exact values of the 2nd and 3rd terms of the

asked by Chamberlain on May 1, 2010
41. ## Math

i need help with problem d Graph the arithmetic sequence an = –4, –1, 2, 5, 8, … a. What is the 8th term in the sequence? a_ n = a_1 + (n – 1) d. a_8 = -4 + 7(3) = 17 b. What is the recursive formula for this sequence? A_n+1 = a_n + 3 c. What is

asked by Anon on March 12, 2019
42. ## arithmetic

The first term of an arithmetic sequence is -3 and the fifteenth term is 53. What is the common difference of the sequence? 14/13 25/7 4

asked by Shawntrell on October 30, 2010
43. ## math

the value of the nth term in a sequence of numbers is given by the expression 2n - 3. what is the 8th term in the sequence?

asked by kwanisha on July 22, 2012
44. ## math

If the twelfth term of an arithmetic sequence is 58 and the constant difference is 2, what is the first term of the sequence?

asked by unknown on October 12, 2011
45. ## maths

The 7th and 13th term of an arithmetic sequence are 51 an 15 respectively. which term of the sequence is equal to -21

asked by Sisipho on March 4, 2018
46. ## math

A sequence is generated in which each term is 9 more than the previous term, If the eighth term is 13, what is the fourth term? a. -23 b. -14 c. 40 d. 49 e. 58 please answer and explain

asked by Thomas on January 19, 2014
47. ## math ( sequence )

A sequence is generated in which each term is 5 less than the previous term. If the twentieth term is -32, what is the fifteenth term ? a. -57 b. -12 c. -7 d. 2 e. 7 please answer and explain

asked by Thomas on January 23, 2014
48. ## Math

Hello, I can't find a pattern to answer this question, can you help? The beginning of the fibonacci number sequence is listed below: 1,1,2,3,5,8,13,...... What is the smallest term in the sequence which has a value greater than 100?

asked by JOE on February 6, 2010
49. ## Math

Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 5, 13, 21, 29, 37, 45 1)8n;800 2)8n-3;797 3)3n-8;292 4)5+8n;805 I think #4 is correct. Thank you.

asked by Jamie M on March 20, 2018
50. ## Math

Write an expression to describe a rule for the sequence then find the 100th term in the sequence. 4,9,14,19,24,29.... A. 4+5n;504•• B. 5n-1;498 C. 5n;500 D. 4n+5;405 Correct me

asked by Pablo on March 31, 2016
51. ## math

Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence : 5,13,21,29,37,45,... A) 8n;800 B) 8n-3;797 C) 3n-8;292 D) 5+8n;805*** please correct me and thanks

asked by :) on March 29, 2019
52. ## Math

Is the following sequence a arithmetic,geometric or neither? 1.6, .8, .4, .2 my answer is geometric

asked by steve on May 11, 2014
53. ## arithmetic

For a given arithmetic sequence, the 90th term, is equal to -230 , and the 8th term, is equal to 16 . Find the value of the 31st term .

asked by Victoria on May 11, 2010
54. ## GP Caluculus

The third term of a geometric progression is 16. The sum of the third term and the fouth term is 8. Find (a)the first term and the common ration of the progression (b)the sum of infinity of the progression

asked by Watermelon on December 1, 2011
55. ## GP Caluculus

The third term of a geometric progression is 16. The sum of the third term and the fourth term is 8.Find (a)the first term and the common ratio of the progression. (b)the sum of infinity of the progression.

asked by Watermelon on December 1, 2011
56. ## GP Caluculus

The third term of a geometric progression is 16. The sum of the third term and the fouth term is 8. Find (a)the first term and the common ration of the progression (b)the sum of infinity of the progression

asked by Watermelon on December 1, 2011
57. ## Math

1. Write the equation rule and find the twentieth term in the sequence: 1/2,2/3, 3/4, 4/5... My answer: The rule is x/x+1. The twentieth term in the sequence is 20/21. Please check my answer and tell me if it's correct or incorrect. I'm confused. Thanks.

asked by PleaseCheckMyAnswer on March 30, 2016
58. ## Math

1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric? A.The sequence is geometric because it decreases by a factor of 6. B.The sequence is arithmetic because it decreases by a factor of 6 C.The sequence is geometric because it

asked by Anonymous on April 25, 2014
59. ## Math

1. Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric? A. The sequence is geometric because it decreases by a factor of 6. B. The sequence is arithmetic because it decreases by a factor of 6 C. The sequence is geometric because it

asked by Audrey Moore on November 2, 2018
60. ## math

if (3-x), (6),(7-x) is a geometric sequence calculate (a)the two possible values of x (b) common ratio (c) sum of the sequence

asked by victor on March 15, 2019
61. ## math

6x+12,2x+4 and x-7 are the first three terms of a geometric sequence. -is this a converging or diverging sequence...justify your answer

asked by sashen on January 12, 2016
62. ## math/ check!

find the general term that describes the following sequens 600,300,150,75 I the thing is that you divide each of them by 2 so I would go y(n)= 600/ 2^n but how do I check if this is right? is this right? It is right. That would certainly be a good guess,

asked by Anonymous on October 17, 2006
63. ## Math

6,x,y,16 is a sequence of numbers.6,x.y form an arithmetic sequence.x,y,16 form a geometric sequence. Detrmine the values of x and y

asked by Refiloe on February 28, 2016
64. ## Math (11)

The sum of the first 16 terms of an arithmetic sequence is 23 times the sum of the first 4 terms. Find the 10th term of the sequence if the first term is 2

asked by Inder on January 27, 2012
65. ## Further mathematics

Find the first bank term of a linear sequence is 3 and the 8th term is 3.1.find the common difference

asked by Eric on January 17, 2019
66. ## Math

Algebra 2 A sequence is of pyramids is created where the first pyramid has a height of 6 inches and a base area of 10 inches, for a volume of 20 cubic inches. The height of the next pyramid is twice the height of the previous pyramid. The input of the

asked by Brenda on May 5, 2016
67. ## math

A certain infinite geometric series has first term 7 and sum 4. What is the result when the third term is divided by the second term?

asked by Speedo on September 9, 2013
68. ## Math

The third term of a geometric series is 24 and the fourth term is 36. Determine the first term and common ratio.

asked by Tom on July 18, 2013
69. ## Math

A certain infinite geometric series has first term 7 and sum 4. What is the result when the third term is divided by the second term?

asked by Matt on January 8, 2015
70. ## geometry

The first term of a geometric sequencf is 3 and the sum of the second and the third term is 60.determine the first three terms and the general term Tn

asked by Snontia on February 8, 2015
71. ## Math

Find the next three numbers in the geometric sequence 3, -6, 12

asked by Monte on April 11, 2019
72. ## Math 111

Find the next two numbers in the geometric sequence 1,4,16...

asked by Chelsea on January 25, 2010
73. ## Functions 11: Series and Sequences

4m + 1, m + 1 and 10 - m are the first three terms of a geometric sequence. Find t4.

asked by lg on January 2, 2013
74. ## Algebra

Find the next two numbers in the geometric sequence: 1, 1/3, 1/9

asked by Chelsea on January 25, 2010
75. ## Algebra

Find the next two numbers in the geometric sequence: 28,14,7...

asked by Chelsea on January 25, 2010
76. ## math

find the value of k so that k-3,k+1,4k-2 form a geometric sequence.

asked by peejhay on July 13, 2016
77. ## Math Help

Find a12 for the following geometric sequence. 1/32, 1/16, 1/8,

asked by Tami on April 21, 2015
78. ## Algebra II

find Sn for geometric sequence with a1 = 8, n = 9, and r = -1? Sn = a1(1-r ^n) / (1-r) = 8(1-1)/(1+1) = 8(0)/2 = 0 is this correct..?

asked by anonymous on April 18, 2011
79. ## math

find a under n for the following geometric sequence. a ubder 1 =5,r = - 2. so a under n = ( ) n-1.

asked by willa on June 18, 2011
80. ## math

find a under n for the following geometric sequence. a ubder 1 =5,r = - 2. so a under n = ( ) n-1.

asked by willa on June 18, 2011
81. ## functions

4m + 1, m + 1 and 10 - m are the first three terms of a geometric sequence. Find t4.

asked by mina on January 2, 2013
82. ## Algebra 1 Honors

Write an equation for the nth term of the arithmetic sequence. Then graph the first five terms in the Sequence. -3,-8,-13,-18 I got 5n-8 as my formula. Then plugged 5 in for n and got 17 for the 5th number in the sequence. Is this correct?

asked by Anonymous on January 9, 2016
83. ## Math - Geometry

Please help! Need to find the 6th and nth terms in this sequence - and solve for the rule or process. here's the sequence: 1,3,9,27,81 What is the process or formula to get the nth term in the sequence. Thanks!

asked by Daniel on October 17, 2010
84. ## furthermaths

The sum of the first ten terms of a linear sequence is 60 and the sum of the first fifteen terms of the sequence is 165.find the 18th term of the sequence.

asked by gwendoline on February 15, 2016
85. ## Math

the first term in the sequence is 256. after the first term, each term is multiplied by two amd then divided by four. what is the value of the 9th term

asked by Jane on November 3, 2017
86. ## math

Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253

asked by Anonymous on October 30, 2012
87. ## math

in an arithmetics sequence the 17th term is 6 less than 3 times the 1st term. Find the first three terms

asked by lesedi on February 3, 2017
88. ## math

How do you find the rule of the sequence if the 2nd term is 40057.07 and the 5th term is 19192.53

asked by juan on October 25, 2010
89. ## Algebra1

Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253.

asked by Aly on April 22, 2014
90. ## maths

the 1st term of a linear sequence is 3 and the 8th term is 31 find the common difference

asked by anuoluwapo on January 25, 2019
91. ## maths

The first term of a linear sequence is 3 and the eighth term is 31 find d common difference

asked by Ciara on May 5, 2019
92. ## Math

Find the 8th term of an exponential sequence whose first term is 3 and whose common ratio is 2

asked by Isabella on March 1, 2016
93. ## Math

Find the 8th term of an exponential sequence whose first term is 3 and whose common ratio is 2

asked by Anonymous on March 14, 2019
94. ## 7th grade math

The second difference of a sequence is a constant 5. The differences between the first term and the second term, 12, is 8. How do I find the first five terms?

asked by samantha on May 22, 2011
95. ## Algebra2

write a recursive formula for the sequence 5,18,31,44,57 then find the next term. My answer is a1=5,an=an-1+13 The next term would be 70.

asked by Steve on February 19, 2017
96. ## math

The 9th term of an arithmetic sequence is 12 and the 17th term is 28, find the 4th term of the arithmetic sequences

asked by Lillian on April 24, 2015
97. ## Algebra

1. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 2. In the sequence 2, 6, 10, … , what term has a value of 106? 3. Solve for the 101st term of the sequence: 6-p, 4+p, 2+3p, 5p, … .

asked by Ruby on September 9, 2014
98. ## math

Fixed points of f? f(x) = x^2+13/12x - 1/2 a) use algebra to find the fixed points and classify them. b) use the gradient criterion to determine an interval of attraction for one of the fixed points of f c) find exact values of the 2nd and 3rd terms of the

asked by Chamberlain on May 3, 2010
99. ## math sequence and series

In an arthmetic sequence, the fourth term is 84 and the tenth term is 60. Find the maximum possible partial sum.

asked by Abdela said yimer on January 21, 2012
100. ## Business Mathematics

Find the sum of first thirteen terms of a linear sequence whose 8th term is 18 and 11th term is 24.

asked by Boadi Yiadom Ellen on October 22, 2016