Sequences and Series Make up Test

Find the explicit rule for an arithmetic sequence if the 6th term is -38 and the 14th term is -110

• a_n=7-9(n-1)

• a_n=-9+7(n-1)

• a_n=-83+9(n-1)

• a_n=9-83(n-1)

Tags

CCSS.HSF.BF.A.2

• Converges to 0

• Converges to 1

• Converges to 3

• Diverges

Which of the following expresses 1+3+5+...+39

Tags

CCSS.HSF.BF.A.2

Find the sum of the first 10 terms for the series: -1 + 2 + 5 + 8 + ...

• 122

• 125

• 128

• 131

An arithmetic sequence has a₁₅=160 and a common difference of -15. Find a₄₀.

• 535

• 370

• -170

• -215

Tags

CCSS.HSF.BF.A.2

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

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

• 14
• 68
• 63
• 71

Tags

CCSS.HSF.BF.A.2

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

• 18
• 17
• 15
• 14

Tags

CCSS.HSF.BF.A.2

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2

What kind of sequence is illustrated below?
 400, 200, 100, 50, 25, ...

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2