Purchase Solution

Arithmetic Sequence

Not what you're looking for?

Ask Custom Question

Use the arithmetic sequence of numbers 1, 3, 5, 7, 9,...to find the following:

1. What is d, the difference between any 2 terms

2. Using the formula for the nth term of an arithmetic sequence, what is 101st term?

3. Using the formula for the sum of an arithmetic sequence, what is the sum of the first 20 terms?

4. Using the formula for the sum of an arithmetic sequence, what is the sum of the first 30 terms?

5. What observation can you make about these sums of this sequence? Express your observations as a general formula in "n."

Purchase this Solution

Solution Preview

Use the arithmetic sequence of numbers 1, 3, 5, 7, 9,...to find the following:

a) What is d, the difference between any 2 terms?

Just subtract one number from the previous one.....d = 2.

b) Using the formula for ...

Purchase this Solution


Free BrainMass Quizzes
Solving quadratic inequalities

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

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

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.

Graphs and Functions

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