algebra

Find the common difference or ratio in each sequence. Write an algebraic expression for the sequence and find the next three terms.

6. 160, 40, 10, 2.5...

8. -1, 2, -4, 8....

Can you help me find the answers?

  1. 👍 0
  2. 👎 0
  3. 👁 235
  1. 6. Divide each number by 4 to get the next number.
    Ex: 160/4 = 40
    What is 2.5/4?

    8.
    Add 3
    Subtract (2 * 3)
    Add (2 * 6)

    Next: Subtract 2 * 12

Respond to this Question

First Name

Your Response

Similar Questions

  1. Find the common difference or ratio in each..?

    Find the common difference or ratio in each sequence. Write an algebraic expression for the sequence and find the next three terms. 6. 160, 40, 10, 2.5... 8. -1, 2, -4, 8.... Can you help me find the answers?

    asked by nonononono on June 5, 2014
  2. MATH

    A new sequence is formed by adding together the corresponding terms of a geometric sequence and an arithmetric sequence. the geometric sequence has a common ratio of 3 and the arthmetric sequence has a common difference of -2. The

    asked by charlie123 on February 19, 2015
  3. Algebra

    I am so lost on these problems. Write a geometric sequence that starts with 3 and has a common ratio of 5. What is the 23rd term in the sequence. Write an arithmetic sequence that has a common difference of 4 and the eighth term

    asked by Randy on June 17, 2016
  4. Math

    A sequence is formed by adding together the corresponding terms of a geometric sequence and and an arithmetic sequence.The common ratio of the geometric sequence is 2 and the common difference of the arithmetic sequence is 2.The

    asked by Piwo on April 12, 2012
  5. math

    what are the similarities and differences between an arithmetic sequence and a linear equation? ok i know that arithmetic sequence is a sequence of real numbers for which each term is the previous term plus a constant (called the

    asked by Claudia on October 19, 2008
  1. Algebra ll

    Help please, I don't understand how to do this... Give an example of an arithmetic sequence that is found in the real world. Find the common difference and write a recursive and iterative rule for the sequence. Use one of the

    asked by Me and I on March 19, 2014
  2. Maths

    1..The first 2 terms of a geometric progression are the same as the first two terms of an arithmetic progression.The first term is 12 and is greater than the second term.The sum of the first 3 terms od the arithmetic progression

    asked by Lucas on February 3, 2013
  3. Advanced algebra

    1.write the first four terms of the sequence that begins with 2000 and has the common ratio 1.05. 2.write the first four terms of the sequence that begins with 5000 and decays 15% with each term.what is the common ratio? 3.write a

    asked by britney on October 8, 2012
  4. math

    The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d)

    asked by edwin on May 21, 2014
  5. GGHSS COTTON HILL Maths

    consider the arithmetic sequence 53,47,41 than what is the common difference and the algebraic expession of the given sequence

    asked by Aiswarya on April 30, 2017

More Similar Questions