Arithmetic and Geometric Sequences

Sweet Time Bakery just opened and is increasing the number of items they bake. For example, the bakery made 150 carrot cakes in January, 133 carrot cakes in February, 116 carrot cakes in March, and 99 carrot cakes in April. What kind of sequence is this?

• Geometric
• Arithmetic
• Both
• Neither

Tags

CCSS.HSF.BF.A.2

Carey is organizing her books and putting them on shelves. She put 2 books on the first shelf, 8 books on the second shelf, 32 books on the third shelf, and 128 books on the fourth shelf. What kind of sequence is this?

• Geometric
• Arithmetic
• Both
• Neither

Tags

CCSS.HSF.BF.A.2

What kind of sequence is this?

2, 3, 5, 8, ...

• Geometric
• Arithmetic
• Neither
• Both

Tags

CCSS.HSF.BF.A.2

Hayley has a garden and likes to put flowers from her garden into pretty vases. Hayley put 42 flowers in the first vase, 42 flowers in the second vase, 42 flowers in the third vase, and 42 flowers in the fourth vase. What kind of sequence is this?

• Geometric
• Arithmetic
• Both
• Neither

Tags

CCSS.HSF.BF.A.2

Find t₁₂ for a geometric sequence
where t₁ = 2 + 2i  and  r = 3.

• 354,294+i
• 354,294+354,294i
• 354,294i
• 2+354,294i

Tags

CCSS.HSF.BF.A.2

Find a₆ for an arithmetic sequence where a₁ = 3x+1 and d = 2x+6.

• not possible 
• 1
• 13x+31
• 0

Tags

CCSS.HSF.BF.A.2

What is the a₁₂ term in the following sequence? 1, 4, 9, 16, 25, 36, ………..

• 58
• 144
• 98
• 90

Tags

CCSS.HSF.BF.A.2

What is the a₁₂ term in the following sequence? 2, 4, 6, 8, 10, 12, ……….. 

• 46
• 34
• 24
• 88

Tags

CCSS.HSF.BF.A.2

What are the first three terms in a sequence given  by a_n=3n-2

• 1,4,7
• -2,1,4
• 1,4,7,10
• -2,1,4,7

Tags

CCSS.HSF.BF.A.2

What is an arithmetic sequence?

• sequence that has a common difference 
• sequence that has a common ratio
• a sequence that has a common difference and ratio 
• might as well just give up

Tags

CCSS.HSF.BF.A.2