Math

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

  1. 👍 0
  2. 👎 0
  3. 👁 34
asked by Lara
  1. for a GS (x+5)/x = (x+9)/(x+5)

    x^2 + 10x + 25 = x^2 + 9x
    x = -25

    so the terms are -25,-20,-16

    Check: -20/-25 = .8
    -16/-20 = .8

    1. 👍 0
    2. 👎 0
    posted by Reiny

Respond to this Question

First Name

Your Response

Similar Questions

  1. 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

    asked by Brianna on October 16, 2014
  2. Math

    1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... My answer is 242. Am I right? 2. Which of these two sequences form a geometric sequence: 2x, 4x-2, 6x-4, ..... OR x+1, 2x+2, 5x+1, .....? Find the

    asked by Brianna on October 17, 2014
  3. math

    Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 *** The sequence is neither geometric

    asked by TTR+S<3 on May 2, 2014
  4. Math Help!!!

    determine whether each sequence is arithmetic or geometric. find the next three terms. 1. 14,19,24,29.... geometric, 34,39,44 arithmetic,32,36,41 arithmetic 34,39,44**** the sequence is nether geometric nor arithmetic 2.

    asked by help asap on March 24, 2015
  5. 7th Grade Math for Steve.. or Ms. Sue

    Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 ** The sequence is neither geometric nor

    asked by Gabby on April 28, 2013
  6. Math *URGENT

    Please give the answers and solutions for each. 1.If the second term is 2 and the seventh term of a geometric sequence is 64, find the 12th term. 2. Which term if the geometric sequence 18,54,162,486,... is 3,188,646? 3. Determine

    asked by Aliza on December 20, 2012
  7. algebra

    1. The geometric mean between the first two terms in a geometric sequence is 32. If the third term is 4, find the first term. 2. Insert a geometric mean between k and 1/k. 3. If 2 and 3 are two geometric means between m and n,

    asked by sylvia on July 16, 2016
  8. Maths

    The first, third and ninth terms of an arithmetic sequence form the terms of a geometric sequence. Find the common ratio of the geometric sequences. a, a+2d, a+8d a+2d/a = a+8d/a+2d ?

    asked by Michael on January 16, 2015
  9. math

    in an arithmetic sequence the common difference is equal to 2.the first term is also the first term of a geometric sequence. the sum of the first 3 terms of an arithmetic sequence and the sum of the first 9 terms of an arithmetic

    asked by Brainblocked on January 30, 2015
  10. Advance function

    given that sinx, tanx, and sin2x form geometric sequence, show cos^3x=1/2 can someone explain this to me, i have no idea how to solve it. i really done understand how to turn it into a geometric sequence

    asked by AA on November 5, 2016

More Similar Questions