Review Series

Review Series

By Bette Horsington

Multiple Select

The sum of the terms in a sequence is known as a Series

• True

• False

Multiple Select

Which series are Arithmetic? (select ALL that apply)

• 2 + 4 + 8 + 16...

• 7 + 15 + 23 + 31...

• 80 + 68 + 56 + 44...

• 1 + 3 + 7 + 11...

• -10 + (-8) + (-6) + (-4)...

Multiple Choice

Find the indicated sum of the series if $$a_1=58,\ n=18,\ a_n=14$$  

• 648

• 666

• 630

• 612

Multiple Choice

Find the sum of the first 25 terms of the series: 6+14+22+30+...

• 450

• 2650

• 2550

• 550

Multiple Choice

$$\sum_{x=3}^9\left(2x+2\right)$$  How many terms are in the sequence?

• 6

• 7

• 3

• 2

Multiple Choice

Calculate the final sum/total of the series.

• 6
• 21
• 9
• 2

Multiple Choice

• 196
• 392
• 49
• 254

Multiple Choice

Is the sum of the first n terms of a geometric series always positive?

• Yes

• no

Multiple Choice

Find the indicated sum of the series if $$a_1=-3,\ r=-2,\ n=6.$$  

• 96

• 63

• -33

• $$\frac{-189}{2}$$  

Multiple Choice

What is the value of r the common ratio of this series 1+5+25+125,,?

• 1

• 4

• 5

• 156

Multiple Choice

Find the sum of the first 4 terms of the geometric series 1 + 0.5 + 0.25 + ?

• 1.875

• 0.125

• 1.75

• None of these

Multiple Choice

Determine if the series converges or diverges

• Converges
• Diverges

Multiple Choice

Evaluate the infinite series described: 

• 20/3
• No Sum
• 21/5
• 4/3

Multiple Choice

Evaluate the infinite series described: 

• -16
• -18
• 3
• -15

Multiple Choice

Evaluate the infinite series described: 

• No Sum
• 0
• -1/9
• -4/25

Thanks for playing

Review or get ahead tonight!

Q9.2 Series due tomorrow at 11:59pm