Unit Test #16

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

Which of the following is a series? A. {3, 4, 5}
B. < 2n + 3 >
C. 3 + 4 + 5 + 6
D. 5, 7, 8, 9, ...

Answer 1:

 

 

Q2:

 

Which of the following best describes the meaning of the symbol ∑ ? A."the difference between"
B."the product of"
C. "the sum of"
D. "the square of"

Answer 2:

 

 

Q3:

 

Evaluate  A. 11
B. 68
C. 20
D. 30

Answer 3:

 

 

Q4:

 

Show the following series in sigma notation:

4 + 5 + 6 + 7

Answer 4:

 

 

Q5:

 

Evaluate 

A. 86
B. 60
C. 74
D. 110

Answer 5:

 

 

Q6:

 

What is the value of x ?

A. 17
B. 7
C. 8
D. 6

Answer 6:

 

 

Q7:

 

Which best describes 3 + 7 + 11 + 15 ? A. arithmetic sequence
B.infinite series
C. finite series
D. geometric sequence

Answer 7:

 

 

Q8:

 

Evaluate  A. 93
B. 191
C. 39
D. 219

Answer 8:

 

 

Q9:

 

Write in sigma notation:

t5 + t6 + t7 + t8 + t9

Answer 9:

 

 

Q10:

 

 gives the series: A. 5 + 7 + 9 + 11
B. 4 + 5 + 6 + 7
C. 1 + 2 + 3 + 4
D. 6 + 8 + 10 + 12

Answer 10: