Formulas for Geometric and Arithmetic Sequences

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:
18, 20, 22, 24...

• a_n = 16+2n
• a_n = -16+2n
• a_n= 2-16n
• a_n = 2+16n

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 arithmetic sequence:
6, 11, 16, 21...

• a_n = -1-5n
• a_n = -1+5n
• a_n= 1+5n
• a_n = 1-5n

Tags

CCSS.HSF.BF.A.2

Create the formula for the geometric sequence:
1, 4, 16, 64...

• a_n = 3^n-1
• a_n = 2^n-1
• a_n = 5^n-1
• a_n = 4^n-1

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 geometric sequence:
-4, -16, -64, -256...

• a_n = -4(4)^n-1
• a_n = -4(-4)^n-1
• a_n = 4(4)^n-1
• a_n = 4(4)^n-1

Tags

CCSS.HSF.BF.A.2

Create the formula for the geometric sequence:
3, -18, 108, -648...

• a_n = -3(6)^n-1
• a_n = -3(-6)^n-1
• a_n = 3(6)^n-1
• a_n = 3(-6)^n-1

Tags

CCSS.HSF.BF.A.2