Purchase Solution

Arithmetic and Geometric Sequence

Not what you're looking for?

Ask Custom Question

See attachment for more data.

1.) Find the value of a_3 if:

a. n = 3 and a_n = 2n - (3/n)

b. n = 3 and a_n = 2 (n - 3)

2.) Find the value of:

6!/3!

3.) Find the value of the following expression:

2
Σ3i
1

4.) Find the value of:

3
Σ(3i+1)
1

5.) Find the value of a_n if:

n = 2, a_1 = 4, and a_n = a_n-1 + 1

6.) What is the sum of the first 15 terms in the geometric sequence 2, 4, 8 ...?

7.) What is the sum of the first 50 natural numbers?

8.) If a = 4 and r = 2, what are the first four terms of the geometric sequence?

9.) If a = 4 and d = - 2, what are the first four terms of the arithmetic sequence?

12.) A theater has 30 seats in the first row, 32 seats in the second row, increasing by two seats per row for a total of 26 rows. How many seats are there in the theater?

Attachments
Purchase this Solution

Solution Summary

Arithmetic and geometric sequence help is embedded.

Purchase this Solution


Free BrainMass Quizzes
Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.