Arithmetic Sequence Differences
Not what you're looking for?
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
b. Using the formula for the nth term of an arithmetic sequence, what is 101st term?
c. Using the formula for the sum of an arithmetic series, what is the sum of the first 20 term?
d. Using the formula for the sum of an arithmetic series, what is the sum of the first 30 term?
e. What observation can you make about these sums of this series (Hint: It would be beneficial to find a few more sums like the sum of the first 2, then the first 3, )?
Purchase this Solution
Solution Summary
The solution shows the formula for the sums of arithmetic series for different amounts of terms.
Solution Preview
a.
Sequence 1, 3, 5, 7, 9, ..... => a(n) = 2*n-1
d = ...
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.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
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.
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.