AnswersPrecalculusArithmetic Series

Arithmetic Series Answers

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Which of the following represents the sum of the series?6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24 + 26

A
mc002-1.jpg
Option A
B
mc002-2.jpg
Option B
C
mc002-3.jpg
Option C
D
mc002-4.jpg
Option D
2
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Which of the following represents the sum of the series below?4 + 7 + 10 + 13 + 16 + 19 + 22 + 25 + 28 + 31 + 34 + 37 + 40

A
mc001-1.jpg
Option A
B
mc001-2.jpg
Option B
C
mc001-3.jpg
Option C
D
mc001-4.jpg
Option D
3

Which of the following represents the sum of the series below?

Question illustration
A
the sum of the first 7 odd numbers
B
the sum of the first 7 even numbers
C
the sum of the 7 numbers beginning with 2
D
the sum of the 7 numbers beginning with 1
4

In January, Desmond begins saving $25 per month for a used car. Each month, he is able to save $5 more than the previous month. After how many months will Desmond first have enough money to purchase a $3,000 used car?

A
14
B
21
C
31
D
35
5

Which of the following represents the value of the series below?

Question illustration
A
mc014-2.jpg
Option A
B
mc014-3.jpg
Option B
C
mc014-4.jpg
Option C
D
mc014-5.jpg
Option D
6

An arithmetic series contains 20 numbers. The first number is 102. The last number is 159. Which expression represents the sum of the series?

A
mc006-1.jpg
Option A
B
mc006-2.jpg
Option B
C
mc006-3.jpg
Option C
D
mc006-4.jpg
Option D
7

Which expression represents the value of the series below?3 + 7 + 11 + 15 + ... + 1,671

A
mc009-1.jpg
Option A
B
mc009-2.jpg
Option B
C
mc009-3.jpg
Option C
D
mc009-4.jpg
Option D
8

Each year, the number of students taught by Mr. Wright increases by 2. The first year, he taught 18 students. The total number of students taught after 25 years can be represented using the expression . How many students has Mr. Wright taught in 25 years?

Question illustration
A
450
B
500
C
1,050
D
2,100
9

What is the sum of the numbers in the series below?15 + 11 + 7 + . . . + (–129)

A
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Option A
B
mc021-2.jpg
Option B
C
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Option C
D
mc021-4.jpg
Option D
10

The manager of a store is stacking boxes for a display. There are 18 boxes on the bottom row. Each successive row has one less box than the previous row. The expression represents the total number of boxes in the display for the first 15 rows. How many boxes are in the display?

Question illustration
A
18
B
22
C
165
D
330

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