Sequences and Series Quiz 1

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Is the sequence 2, 4, 12, 48,... geometric?

• yes
• no

Tags

CCSS.HSF.BF.A.2

Decide if the sequence is arithmetic, geometric or neither.
180, 90, 45, 27.5, . . .

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Decide if the sequence is arithmetic, geometric or neither:
1, 1, 2, 3, 5, 8, 13

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

What are the first 4 terms of...
a_n = 3(2)^(n-1),      

• 6, 12, 24, 48...
• 6,18, 54,162
• 3, 6, 12, 24...
• 3, 6, 9, 12...

Tags

CCSS.HSF.BF.A.2

What are the first 4 terms of...
a_n = 2-3n

• 2, -1, -4, -7
• 3, 1, -1, -3
• 3, 0, -3, -6
• -1, -4, -7, -10

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 a₁₂ in the sequence -1, -3, -9, -27, ...

• -177,147
• -19,683
• -59,049
• 118,098

Tags

CCSS.HSF.BF.A.2

Write the recursive formula for 6, 17, 28, 39, 50....

• a_n=a_n-1+11

  a₁=6

• a_n=a_n-1-4

  a₁=6

• a_n=a_n-1+9

  a₁=6

• a_n=a_n-1+6

  a₁=6

Tags

CCSS.HSF.BF.A.2