CCSS.Math.Content.HSF.BF.A.2

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

Tags

CCSS.Math.Content.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• 1
• -1
• 7
• -7

Tags

CCSS.Math.Content.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.Math.Content.HSF.BF.A.2

Given the recursive formula, find the explicit form
a_n = a_n-1 - 5
a₁ = 22

• a_n = 22 + (n-1)(-5)
• a_n = 22 + (n-1)(5)
• a_n = -5 + (n-1)(22)
• a_n = -16 + (n-1)(-5)

Tags

CCSS.Math.Content.HSF.BF.A.2

On the first day of camp I swam 2 laps. On the second day of camp I swam 4 laps. The third day I swam 8 laps. If this pattern continues, how many laps would I swim on the fifth day?

• 16 laps
• 32 laps
• 64 laps
• 128 laps

Tags

CCSS.Math.Content.HSF.BF.A.2

If the 2nd term of an AP is 13 and the 5th term is 25, the common difference is 

• 12
• 4
• 3
• 5

Tags

CCSS.Math.Content.HSF.BF.A.2

What is the sum of the first 10 terms for the following geometric series:
2-6+18-54+...

• 59048
• -29524
• 524288
• 3069

Tags

CCSS.Math.Content.HSF.BF.A.2

12, 16, ___, 24

• 20

• 18

• 28

• 22

Tags

CCSS.Math.Content.HSF.BF.A.2

Which term is 12,288 in the sequence given by: 3, 6, 12, 24, ...

• 11

• 12

• 13

• 14

Tags

CCSS.Math.Content.HSF.BF.A.2

 $a_n=a_1r^{n-1}$  

Given the formula for a geometric sequence , r stands for

• common difference

• wanted term

• common ratio

• first term

Tags

CCSS.Math.Content.HSF.BF.A.2