Suppose you are given an arithmetic sequence that begins with the terms 1,3,5,7,9,⋯. What is the 100th term of this sequence?

(a)  

What is the other term for an arithmetic sequence?

(a)  

Find the sum of the first 15 terms in the sequence −17,−12,−7,⋯.

(a)  

In a geometric sequence, each term after the first is obtained by multiplying the preceding term by a constant known as?

(a)  

What is the common ratio of the geometric sequence −2,1,−12,⋯?

(a)  

What is the common difference of the sequence −5x−3y,−7x+2y,−9x+7y,⋯?

(a)  

What is the 12th term of the sequence 18,22,26,30,⋯?

(a)  

What is the 10th term of the geometric sequence 12,6,3,⋯?

(a)  

A well drilling company charges ₱250 for the first meter of a well, and the cost per meter increases by ₱50 for every succeeding meter. Find the total cost of a well that is 80 meters deep.

(a)  

An insect travels 1 meter in the first minute, 50 cm in the second, and 25 cm in the third. Every minute, the insect travels half the distance as in the preceding minute. How far will it have travelled after 12 minutes?

(a)  

While recovering from knee surgery, an athlete was advised by his trainer to gradually return to his training routine. She recommended jogging for 12 minutes per session for the first week, with an additional 6 minutes per session for every week thereafter. In how many weeks will the athlete be jogging for 60 minutes per session?

(a)  

Edgar deposited ₱20000 on an investment that earns ₱1750 for every year that his money stays in the account. How much money will be in his account by the end of the eighth year?

(a)  

Arlyn dropped ₱₱100 in her thrift box on October 1, ₱₱175 on October 2, ₱₱250 on October 3, and so on until the last day of October. How much did she drop in her thrift box on October 19?

(a)  

It expresses the sum of the terms of a sequence.

(a)