Arithmetic Series — Unit test Answers

Modern Electronics offers a one-year monthly installment plan for a big screen TV. The payment for the first month is $62, and then it increases by 4% each month for the rest of the year. Which expression can be used to find the total amount paid in the first 12 months?

Which of the following is another way of expressing ?

The expression represents the sum of the first 200 multiples of 3. What is the sum of the first 200 multiples of 3?

A sequence can be defined by the explicit formula . Which recursive formula represents the same sequence of numbers?

The amount of interest earned on an account can be represented using the recursive formula . If , and n represents the number of months the money is invested, what is the balance at the end of each month for the first three months?

What is the simplest form of the fraction that represents 0.3333...?

An arithmetic series contains 14 numbers. The first number is 12. The last number is 38. What is the sum of the series?

How can be rewritten?

In a geometric sequence, and . What is the 12th term?

Ms. Clark earned $29,600 in her third year as a banker and $32,600 in her seventh year. How much did she make in her tenth year? Assume that her yearly salaries form an arithmetic sequence.

Which of the following can be used to evaluate the series ?

Dreya is saving money to purchase a $900 computer, and she saves $10 the first week. Each week after that, she saves $3 more than the previous week, except in the last week, when she reaches $900. To have a final sum of exactly $900, how much money does Dreya need to save in her final week of saving?

A furniture store offers a one-year monthly installment plan for a set of living room furniture. The payment for the first month is $65, and then it increases by 5% each month for the rest of the year. How much money is paid after 12 months? Round your answer to the nearest dollar.

Stu takes a job with a starting salary of $65,000 for the first year. He earns a 2% increase each year. To the nearest dollar, how much does Stu make over the first five years?

What is the sum of the first 34 numbers in the series below?147 + 130 + 113 + 96 + . . .