Arithmetic & Geometric Sequences

The individual numbers in a sequences are called...

• Common differences

• Successive terms

• Terms

• Geometric terms

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

• Arithmetic

• Geometric

• Neither

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

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

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

What is the common difference:
-2, -11, -20, -29...

• Every Number
• 9
• -9
• -2

Tags

CCSS.HSF.BF.A.2

The next term of the arithmetic series 11,8,5,2 is...

• -1

• -2

• 1

• 2

What are the first 4 terms of an arithmetic sequence with a common difference of (-6) if the first term is 76?

• 76, 70, 64, 58
• 76, 82, 88, 94
• 70, 64, 58, 52
• 82, 88, 94, 100

Tags

CCSS.HSF.BF.A.2

Which formula is used to find the explicit equation for arithmetic sequences?

• a_n = a_(n-1) + d

• a_n = a_(n-1) * r

• a_n = a₁ + d(n-1)

• a_n = a₁ * r^n-1