Question 1

Find the indicated term of the sequence.
-The twenty-first term of the arithmetic sequence 0, 14, 28, ...

Accepted Answer

A)  280 
B)  260 
C)  294 
D)  308 
A)  280 
B)  260 
C)  294 
D)  308

Question 2

Determine whether the given sequence is arithmetic, geometric, or neither. If arithmetic, find the common difference. If
geometric, find the common ratio.
-{4n - 3}

Accepted Answer

A)  Arithmetic, d = 4 
B)  Arithmetic, d = -3 
C)  Geometric, r = 4 
D)  Neither 
A)  Arithmetic, d = 4 
B)  Arithmetic, d = -3 
C)  Geometric, r = 4 
D)  Neither

Question 3

Determine whether the sequence is arithmetic.
-5, -15, 45, -135, 405, ...

Accepted Answer

A)  Arithmetic 
B)  Not arithmetic 
A)  Arithmetic 
B)  Not arithmetic

Question 4

If the sequence is geometric, find the common ratio. If the sequence is not geometric, say so.
-1, -3, 9, -27, 81

Accepted Answer

A)  -3 
B)  -4 
C)  3 
D)  Not geometric 
A)  -3 
B)  -4 
C)  3 
D)  Not geometric

Find the indicated term of the sequence. -The twenty-first term of the arithmetic sequence 0, 14, 28, ...

Determine whether the given sequence is arithmetic, geometric, or neither. If arithmetic, find the common difference. If geometric, find the common ratio. -{4n - 3}

Determine whether the sequence is arithmetic. -5, -15, 45, -135, 405, ...

If the sequence is geometric, find the common ratio. If the sequence is not geometric, say so. -1, -3, 9, -27, 81

Functions and Their Graphs

Linear and Quadratic Functions

Polynomial and Rational Functions

Conics

Systems of Equations and Inequalities

Counting and Probability

Filters

Exam 7: Sequences; Induction; the Binomial Theorem