7. Applied and Discrete Math
Sequences — Quiz
Test your understanding of sequences with 5 practice questions.
Practice Questions
Question 1
Which of the following is the general formula for the $n$-th term of an arithmetic sequence with first term $a_1$ and common difference $d$?
Question 2
What is the sum of the first 20 terms of an arithmetic sequence with first term $a_1 = 5$ and common difference $d = 3$?
Question 3
A geometric sequence has a first term $a_1 = 2$ and a common ratio $r = 3$. What is the 6th term of this sequence?
Question 4
Which of the following represents the sum of the first $n$ terms of a geometric sequence with first term $a_1$ and common ratio $r \neq 1$?
Question 5
An arithmetic sequence has a 3rd term of 10 and a 7th term of 26. What is the common difference $d$?