This study set covers Mathematics through 9 practice questions. Test your knowledge of sequences and series concepts. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 9 questions from the Sequences and Series Quiz study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is a sequence?

A An ordered list of numbers
B A random set of numbers
C A type of function
D A geometric shape

2 What is a series?

A The sum of the terms in a sequence
B A type of graph
C A method of factoring
D A polynomial equation

3 Which of these is an arithmetic sequence?

A 2, 4, 6, 8,...
B 1, 2, 4, 8,...
C 1, 3, 9, 27,...
D 1, 4, 9, 16,...

4 Which of these is a geometric sequence?

A 1, 2, 4, 8,...
B 1, 2, 3, 4,...
C 2, 4, 6, 8,...
D 1, 3, 5, 7,...

5 What is the common difference in the arithmetic sequence 5, 8, 11, 14,...?

6 What is the common ratio in the geometric sequence 2, 6, 18, 54,...?

7 The sum of an infinite geometric series converges if the absolute value of the common ratio is...?

A less than 1
B greater than 1
C equal to 1
D equal to 0

8 What is the formula for the nth term of an arithmetic sequence?

A a + (n-1)d
B ar^(n-1)
C n/2(a + l)
D a(1-r^n)/(1-r)

9 What is the formula for the sum of a finite geometric series?

A a(1-r^n)/(1-r)
B a + (n-1)d
C n/2(a + l)
D ar^(n-1)

📱

Study on the go

Download Quixly and access all study formats on your phone — anywhere, anytime.