Arithmetic Series — Unit test Answers

What are the first three terms of a geometric sequence in which and the common ratio is 5?

Which summation formula represents the series below?13 + 9 + 5 + 1

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

Which of the following is equivalent to ?

Which of the following is true regarding the sequence below?

What is the sum of the series ?

Micah takes a job with a starting salary of $78,000 for the first year. He earns a 4% increase each year. To the nearest dollar, how much does Micah make over the first seven years?

A karate studio charges $35 for the first course and $22.50 for each course after that, even if the student leaves the course early. Cena paid $170 for her son to take courses. How many courses did he take?

A ball is dropped from a height of 5 ft and bounces to 60% of its previous height on each subsequent bounce. Which statement is true regarding the vertical distance the ball has traveled when it hits the ground for the fourth time?

Which series has a sum of 20?

What is the value of S4 for ?

What are the first three terms of the sequence represented by the recursive formula , if ?

Vince wrote the sequence below.Which of the following explains whether the sequence is geometric?

If , which recursive formula could represent the sequence below?..., 24, 88, 664, 8408, ...

Madyson borrows $1,200 from her father to purchase airplane tickets. The first week after borrowing the money, Madyson repays her father $50. Each week after that, she is able to repay her father $2 more than the previous week, except in the last week, when she finishes repaying the loan. How much is Madyson’s final payment?

Xavier exercises by riding his bike. During his first week of training, he rides a total of 15 miles. Each week he increases the number of miles biked by 0.4 miles. How many total weeks will it take Xavier to first bike more than 500 miles total?

In the month of January, a certain restaurant claimed it sold 9,000 burgers and expects sales to grow at a rate of 4.8% per month over the next year. Which formula will determine the number of burgers the restaurant expects to sell this year?

The first three terms of a geometric sequence are shown below.What is the eighth term of the sequence?

Within the set of whole numbers, one set of numbers satisfies the recursive formula , when . What are the first two terms of the sequence?

Which summation formula is equivalent to the one below?