Sequences and Series Chap 5

Which formula represents this sequence:
2, 8, 14, ...

• 4n
• 6n - 4

• 3n + 2
• 5n - 2

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?

• 1,600
• 18,235
• 18,475
• 19,125

Is the sequence arithmetic: 17, 9, 1, -7, ...

• Yes
• No

• 4, 6, 8, 10

• 4, 6, 8

• 5, 7, 9, 11

• 5, 7, 9

Find the 25th term of the sequence if a₁ = 5 and d = 0.5

• 18
• 17
• 15
• 14

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

• 550

• 638

• 610

• 288

Find the sum of the arithmetic series described:

2 + (-2) + (-6) + (-10)..., S₁₀

• -160

• -328

• -320

• -336

A recovering heart attack patient is told to get on a regular walking program. The patient is told to walk a distance of 5 km the first week, 8 km the second week, 11 km the third week and so on for a period of 10 weeks. At that point the patient is to maintain the distance walked during the 10th week. How far will the patient walk during the 10th week?

• 35 km

• 32 km

• 25 km

• 22km