10.18.19 Arithmetic & Geometric Sequences

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2

The individual numbers in a sequences are called...

• Common difference
• Successive term
• Term
• Geometric term

Tags

CCSS.HSF.BF.A.2

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

• 25
• 20
• 5
• 4

Tags

CCSS.HSF.BF.A.2

What is the common difference of the arithmetic sequence below?
-6, -1, 4, 9...

• 5
• -5
• -6
• 1/5

Tags

CCSS.HSF.BF.A.2

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• 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 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