Arithmetic and Geometric Sequences Warm Up

Which kind of sequence has a common ratio?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2

Create the formula for the arithmetic sequence:
2, 8, 14, ...

• a_n = 2+6n
• a_n = -6+6n
• a_n= -4+6n
• a_n = 4-6n

Tags

CCSS.HSF.BF.A.2

Create the formula for the arithmetic sequence:
-10, -3, 4, 11...

• a_n = 17-7n
• a_n = -17+7n
• a_n= -17-7n
• a_n = 17+7n

Tags

CCSS.HSF.BF.A.2

Create the formula for the geometric sequence:
-2, 10, -50, 250...

• a_n = 2(-5)^n-1
• a_n = -2(-5)^n-1
• a_n = -2(5)^n-1
• a_n = 2(5)^n-1

Tags

CCSS.HSF.BF.A.2

Create the formula for the arithmetic sequence:
5, 105, 205, 305...
then find the 22nd term.

• a₂₂ = 1905
• a₂₂ = 2105
• a₂₂ = 2195
• a₂₂ = 2305

Tags

CCSS.HSF.BF.A.2

Create the formula for the arithmetic sequence:
-15, -5, 5, 15...
then find the 34th term.

• a₃₄ = 300
• a₃₄ = 315
• a₃₄ = 330
• a₃₄ = 345

Tags

CCSS.HSF.BF.A.2

Create the formula for the geometric sequence:
1, 4, 16, 64...
then find the 9th term.

• a₉ = 64546
• a₉ = 65436
• a₉ = 65546
• a₉ = 65536

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Is this sequence Arithmetic, Geometric, or Neither?
{2, 9, 7, 14, 12, 19, ... }

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2