# 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 2
1. ## algebra

Margot and Francois were doing their algebra homework when Margot's dog, Pepe, bit off a piece of the paper they were working on. All they had left was a part of the sequence: 6, 12, ... and the fact that 1536 was another term of the sequence. Assuming the

asked by Anonymous on March 1, 2018
2. ## mathematics for business

the third and the sixth term of a G.p are 5 and -40 respectively. find the tenth term of the sequence?

asked by khadija on December 4, 2015
3. ## Maths

An arithmetic and a geometric sequence have the same first terms.(2)....and the same second term say X..The sum of the first 3 terms of the arithmetic sequence equals to the third term of the geometric sequence.Calculate the first 3 terms of each sequences

asked by Lucas on February 3, 2013
4. ## MaTh

A certain 300-term geometric sequence has first term 1337 and common ratio -1/2. How many terms of this sequence are greater than 1?

asked by Speedo on September 2, 2013
5. ## Math

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

asked by Sara on September 29, 2017
6. ## Algebra

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

asked by Britney on October 23, 2017
7. ## Algebra

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

asked by Britney on October 25, 2017
8. ## math

For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

asked by S.A on October 2, 2017
9. ## Math

Which explains why the sequence 81, 3, 1/9,... is arithmetic or geometric? A)The sequence is arithmetic because it decreases by a factor of 1/27 B)The sequence is geometric because it decreases by a factor of 1/27 C)The sequence is arithmetic because it

asked by Loomin on April 3, 2018
10. ## MaTh

The 23rd term in a certain geometric sequence is 16 and the 28th term in the sequence is 24. What is the 43rd term?

asked by mathemagiacian on August 31, 2013
11. ## mAtH

The 23rd term in a certain geometric sequence is 16 and the 28th term in the sequence is 24. What is the 43rd term? It is not 48.

asked by Speedo on September 7, 2013
12. ## PreCalc

1) Determine the value of r (put this number in the first blank) and then determine the value of the 10th term of the geometric sequence. Do not use any decimals or mixed numbers in your answers. Reduce all fractions to lowest terms. a1 = 2 and a4 = −1/4

asked by Anonymous on July 16, 2012
13. ## arithmetic

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

asked by kartik hans on May 24, 2014
14. ## arithmetic

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

asked by kartik hans on May 23, 2014
15. ## math

find the fourth term of the geometric sequence whose first term is 8 and whose common ratio is -2, a under 4 = .

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

find the 25th term of a geometric sequence having a common ratio r=1/4 and term a=3

asked by alex on September 17, 2009
17. ## math-algebra 1

Find the 6th term of the geometric sequence whose common ratio is 1/3 and whose first term is 7.

asked by Emily on July 14, 2011
18. ## math

Find a geometric sequence in which the 6th term is 28 and 10th term is 448

asked by shadrack on March 24, 2012
19. ## math

The first term of a geometric sequence is 9 and the common ratio is -1 over 3. find the fourth term

asked by Anonymous on May 5, 2016
20. ## Geometric Sequence

Find the fourth term (a4) of geometric sequence if the first term (a1) is 2 and the common ratio, r is 4.

asked by Embraced on January 14, 2012
21. ## math

he 12th term in a geometric sequence is 49 and the 14th therm is 2401, find the 15th term

asked by Heather on December 18, 2011
22. ## Maths

The nth term and the sum of n terms of a geometric sequence are 5 and 55 respectively. If the commom ratio is -(1/2)n find the first term and value of n

asked by Bill on January 13, 2016
23. ## math

Find the nth term of the geometric sequence whose initial term is 7 and common ration is 7.(Your answer must be a function of n.)

asked by Anonymous on November 21, 2009
24. ## Precalc

Find the indicated nth term of the geometric sequence. 7th term a5: -2/81 a9: -2/6561 I know the formula is an= a1 r ^ n-1 but I can't figure out how to apply it

asked by Ande on November 13, 2010
25. ## math

Find the nth term of the geometric sequence whose initial term is 7 and common ration is 7. (your answer must be a function of n)

asked by Anonymous on November 21, 2009
26. ## math

Find the indicated term of the geometric sequence. a1 = 7, a4 = 189/8 , 8th term

asked by Krystal on May 11, 2018
27. ## math

asked by rhydian morris on March 31, 2016
28. ## arithmetic

in a geometric sequence the first term is 48 and the fifth term is 3-Find the first 5 terms

asked by simphiwe on February 26, 2012
29. ## math

the third term of a geometric sequence is 25 and the eighth term is 25/32. find a, r, and t

asked by bob on December 17, 2014
30. ## geometry

The third term of a geomatrie sequence is 6 and the sixth term is 3/32.determine the fist three terms and the general term Tn

asked by Snontia on February 8, 2015
31. ## algebra

find the sixth term of the sequence a(n)=6+(n-1)(-2) please explain

asked by nani on December 20, 2017
32. ## math

The sum of the second ans the sixth terms of an arithmetic sequence is 4.Thw third term is 24 more than the 11th term. 1Determine the first three terms in the sequence.

asked by ntwa on January 18, 2016
33. ## Math

3,5,-5... The first term in the sequence of #'s shown above is 3. Each even # term is 2 more than the previous term and each odd # term, after the first, is -1 times the previous term. For example, the second term is 3+2, and the third term is (-1)x5. What

asked by Mack on May 20, 2007
34. ## math

The first term of a geometric sequence is -2 and the common ratio is 3. What is the 12th term of the sequence?

asked by dj on May 24, 2013
35. ## Alg2

A geometric sequence has a common ratio of 4. If the fifth term in the sequence is 2256, what is the second term?

asked by Anon on May 9, 2012
36. ## Math

If 6th term of a GP is 9375 and its 4th term is 375.find its 9th term?

asked by Sohaib on March 11, 2017
37. ## algebra

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 4, 8, –16, 32, . . . A.arithmetic, 64, 128, 256 B.geometric, –64, 128, –256 C.geometric, –48, 64, –80 .DThe sequence is neither geometric nor arithmetic. I

asked by Cassie on March 19, 2013
38. ## hi

What is the sixth term of the arithmetic sequence if the 10th term is 33 and the 15th term is 53.

asked by Anonymous on December 9, 2012
39. ## arithmetic

the second term of an arithmetic sequence is 15,mand the sixth term is 43. what is the 289th term?

asked by kendra on November 29, 2011
40. ## algebra 2 help please/check

The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this

asked by jenny on May 20, 2012
41. ## math

1. a square has a side of 2 decimeters. a new square is formed by joining the midpoints of the sides. If this procedure is reoeated 6 times, what is the perimetet and area of the seventh square 2. find the sum of those numbers between 15 and 810 which have

asked by Anonymous on December 8, 2015
42. ## Math

the second and sixth terms of an arithmetic sequence is 4. the third term is 24more than the 11th term. Determine the first three terms of the sequence

asked by Nomfundo on January 18, 2016
43. ## Mathematics arithmetic sequence

The sum of second and sixth terms of an arithmetic sequence is 4. The third term is 24 more than eleventh term. So determine the first three terms of the sequence.

asked by Mirriam on January 18, 2015
44. ## Math

1.) What is the formula for the nth term of the arithmetic sequence that has a common difference of 8 and a first term of 4? 2.) What is the formula for the nth term of the geometric sequence that has a first term of 2 and a ratio of 3?

asked by Jamie on April 30, 2015
45. ## Alg 2/trig

I am doing Geometric sequences, but I cannot figure out how to find the Nth term of a geometric sequence. The problem is A1 = 64, Ak+1 = 1/2Ak (That is supposed to be A sub one, A sub k + 1, etc.) The formula for finding the equation is: An = A1 x R^n-1

asked by Christopher on March 11, 2009
46. ## algebra 2

The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this

asked by jenny on May 19, 2012
47. ## Algebra II

The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the series differ from the 6th term? Explain. Part C: If the nth term in this

asked by Danny on May 27, 2012
48. ## math

Find the indicated term of the geometric sequence.

asked by laura on May 17, 2017
49. ## Math

1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?

asked by Annika on June 15, 2014
50. ## Math

Can anyone help me with these problems? 1. A square has a side of 2 decimeters. A new square is formed by joining the midpoints of the sides. If this procedure is repeated 6 times, what is the perimeter and area of the seventh square ? 2. Find the sum of

asked by Anonymous on December 8, 2015
51. ## Calculus

Wouldn't this sequence be neither geometric and neither arithmetic? 0.0005, 0.005, 0.05, 0.5 I can'f find a pattern. And also this sequence, it doesnt look arithmetic or geometric 1/5, 1/4, 1/3, 1/2, 1,... And also this other question: The first three

asked by Anonymous on September 20, 2011
52. ## Urgent math

how do I do this can any body show me how? An arithmetic sequence begins 4, 9, 14, 19, 24, . . . . (a) Find the common difference d for this sequence. d = (b) Find a formula for the nth term an of the sequence. an = (c) Find the 35th term of the sequence.

asked by Aileen on August 15, 2015
53. ## Math

Find the arithmetic sequence whose 1st term is 1 and the 1st, 2nd and 6th terms form a geometric sequence

asked by Gly on July 16, 2017
54. ## Math

1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... 2. Is this a geometric sequence? 2x, (4x-2), (6x-4), ..... 3. Show the equivalent values of the decimal 0.7575757575..... in fraction form. 4. What is the sum of the geometric

asked by Brianna on October 16, 2014
55. ## Math

Find the general term of the geometric sequence 36 , 6 , 1 , 1/6 , 1/36 ,... .

asked by Anonymous on December 15, 2014
56. ## math

find k, given that the following are consecutive term of a geometric sequence. k,k+8,9k thank u

asked by Mota on January 23, 2010
57. ## maths science and geography

in a geometric sequence,the fifth term is four times the third term,and the second term is 4.if r

asked by thabang on January 28, 2016
58. ## Math

In a geometric sequence, the fourth term is -4, and the eighth term is -324. What is the tenth term?

asked by Ally on December 18, 2012
59. ## Math

The 1st term of a geometric sequence is 25 and the 6th term is -1/125. What is the 3rd term?

asked by Melissa on November 22, 2015
60. ## Pre-Calc-Please check

1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2. Find the 10th term of the sequence -1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) = -1/5*1/4^(10-1) =-1/5*(1/4)^9 = -1/5*1/2621444

asked by Sandra on December 15, 2011
61. ## math

how to find the four geometric means between 5 and 1215

asked by g on December 9, 2010
62. ## math

find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17/6, 3/2, 1/6..... If you change the denomators to 6, you should notice the numerators follow the sequence: 33,25,17,9,1,...which is an arithmetic sequence with a common difference of

asked by brandon on April 1, 2007
63. ## math

in an arithmetic sequence whose first term is 4, the 1st, 3rd and 7th terms form consecutive terms of geometric sequence, find the sum of the first three terms of the arithmetic sequence

asked by selina on December 20, 2015
64. ## arithmetic

An arithmetic n geometric sequence have the same first term 2.with the 2nd term x. the sum of the 3rd term of the AS is equal to the 3rd term of the GS. Give the first 3 terms of both sequences.

asked by simphiwe on February 26, 2012
65. ## math+ check!

the following sequence is geometric: 4/3, 4/9, 4/27.... determine the general term, tn and the term t10 so the general term is: (4/3)x (1/3) ^n so the tenth term is: 4/177147 is this correct? thanks! You have one too many factors of three in the

asked by adam! on October 19, 2006

1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence -1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) =

asked by Sandra on December 15, 2011

1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence -1/5,-1/20,-1/80 this was a geometric sequence so I said a(subscript10) =

asked by Sandra on December 15, 2011
68. ## Math

The fourth term of an arithmetic sequence is 18 and the sixth term is 28. Give the first 3 terms

asked by Loisa on June 17, 2018
69. ## Math

The fourth term of arithmetic sequence is 18 and the sixth term is 28. Give the next three terms.

asked by JC on June 12, 2018
70. ## Math

x, x+5, x+9 form a geometric sequence; find the value(s) of x and the numerical value of each term.

asked by Lara on April 16, 2008
71. ## Math 12

sum of 2nd and 5th terms of a geometric sequence is 13. the sum of the 3rd and 6th is -39. determine: a) the ratio "r" of the sequence b) the first term "a" of the sequence

asked by Serina on January 5, 2011
72. ## Algebra

What is the first term of an arithmetic sequence with a common difference of 5 and a sixth term of 40 ?

asked by Jasmine on January 20, 2011
73. ## Math

4) The sum of an infinite geometric series is 100. The second term of the series is 24. Find two possibilities for a (the first term) and r (the common ratio). b. Given, 5 2 4 a a a    159 and 4 1 3 a a a    265 , find the terms of the

asked by Susan on September 21, 2016
74. ## PreCalculas

The nth term of a a geometric sequence is given by a_n=27(0.1)^n-1 . Write the first five terms of this sequence. Can i get some help

asked by Anonymous on November 30, 2015
75. ## algebra

A geometric sequence is defined by the general term tn = 75(5n), where n ¡ÊN and n ¡Ý 1. What is the recursive formula of the sequence?

asked by Fantasia on April 27, 2016
76. ## Pre-Calc/Trig...

Given a geometric sequence with a1 = 6 and r = 2/3, write an explicit formula for An, the nth term of the sequence.

asked by Anonymous on December 3, 2014
77. ## mathematics

evng .my teacher gave me this as a homework but i dnt undertand. 1.In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.

asked by patricia on May 3, 2016
78. ## math

find the general term (un), of the geometric sequence which has : u7=24 and u15= 384 thank u

asked by Mota on January 23, 2010
79. ## Math

Find 12th term of a geometric sequence whos first two terms are 4 and -8.

asked by eydie on April 23, 2019
80. ## Algebra 2

Find the specified term of each geometric sequence ab^2, a^2b^5, a^3B^8, ...; t25 really stumped. I know that r= (a^2b^5)/ab^2 but I don't know what to do next. ab^2 ((a^2b^5)/ab^2)^n-1 ??

asked by Jet on May 23, 2011
81. ## algebra

Find the eight term of the geometric sequence for which the first element is 3/8 and the common ratio is 2.

asked by Aliah on March 6, 2016
82. ## maths!!!!!!

The 6th and 13th term of a geometric progression are 24 and 3/16 respectively.Find the sequence.

asked by Raksha on March 21, 2015
83. ## algebra

I need help!!! 3/2,1/2, 1/6,1/8,... I need to determine if this sequence is arithmetic, geometric, or neither, then I need to find the ninth term

asked by jeffrey on April 19, 2009
84. ## MATH_2016

For the geometric sequence, -100,50,-25,12.5, find the next two terms and the general term.

asked by Anonymous666_2 on March 21, 2016
85. ## algebra

I need help!!! 3/2,1/2, 1/6,1/8,... I need to determine if this sequence is arithmetic, geometric, or neither, then I need to find the ninth term

asked by jeffrey on April 19, 2009
86. ## Pre-Calc/Trig...

The nth term of a geometric sequence is given by an = 1/4(4)^n-1. Write the first five terms of this sequence.

asked by Anonymous on December 3, 2014
87. ## math

The sum of the 3 terms in arithmetic sequence is 39.if these numbers is increased by 1,5 and 12 respectively the numbers would be in geometric progression. find the second term of the geometric progression?

asked by zhaina on January 25, 2016
88. ## Urgent math

Please help me solve this problem?!?! Find the first six terms and the sixth partial sum of the sequence whose nth term is an = 5n2 − n. a1 = a2 = a3 = a4 = a5 = a6 = S6 =

asked by Briane Mendez on August 12, 2015
89. ## math

find the fourth term of the geometric sequence whose first is 200 and common ratio is 7/2

asked by john on December 6, 2010
90. ## math

Find a decimal approx for S (sub 15) in the geometric sequence with first term 83 and common ratio 1.07

asked by Meg on May 22, 2012
91. ## math

Find n if t(n) is approximately 10,832 in the geometric sequence with first term 83 and a common ration 1.07

asked by Meg on May 23, 2012
92. ## Math

Write a rule for the nth term of the geometric sequence. Then find a7. 1. 7, -4.2, 2.52, -1.512, ...

asked by Neil on May 23, 2012
93. ## Algebra

What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? 15,30,45,60 15,16.5,18,19.5 15,22.5,33.75,50.625 none of the above What are the first four terms of a geometric sequence if the common ratio

asked by Jeff on March 9, 2015
94. ## algerbra 9th grade

The first term in an arithmetic sequence is -1. The fourth term in the sequence is -4. The tenth term in the sequence is -10. Which function can be used to find the nth term of the arithmetic sequence?

asked by khole on November 2, 2018

Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27… to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6 decimals on all assignments.

asked by Vianna on November 4, 2006
96. ## math

The first three terms of a geometric sequence are 2, 10, 50, and the 8th term has a value of 156,250. What is the value of the 7th term?

asked by Evelyn on March 15, 2011
97. ## AP and GP

1) Given the terms a35 = 1238, a70 = 1483 of an AP. Find the exact value of the term a105 a sequence, and sum of sequence. 2) Given the term a3 = 99 and a5 = 891 of GP. Find the exact value of the term a7 of the sequence and the sum of sequence.

asked by Newbie on February 27, 2011
98. ## math

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

asked by magdeline on January 24, 2016
99. ## Algebra1

Determine 3rd term in the geometric sequence whose first term is -8 and whose common ratio is 6

asked by Monique on February 27, 2017
100. ## number pattern

if term 6=-243 and term 3=72 of a geometric sequence determine the constant ratio

asked by lesego on January 31, 2016