Sequences

Write the explicit formula for the sequence 1, 5, 25, 125, ...

• a_n = 5 x 1^n-1
• a_n = 1/5 x 5^n-1
• a_n = 1 x 5^n-1
• an = 1 x (1/5)^n-1

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither:
3, 6, 12, 24, ...

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither:
1, 3, 6, 10, ...

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither:
4, -8, 16, ...

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither?
10,6,2,-2,...

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither?
1,2,4,7,11,16,22,...

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

Given a_n = 3(6)^(n-1), what is the common ratio?

• 3
• 6
• (n-1)

Tags

CCSS.HSF.BF.A.2

Given
a_n = 3(2)^(n-1),       
what is the 14th term?

• 14
• 24, 576
• 49,152
• 3,188,646

Tags

CCSS.HSF.BF.A.2

What is the next number in the sequence?
400,100,25,...

• 6.25
• 5
• 10
• 0

Tags

CCSS.5.OA.B.3

Given a_n = 13 - 4n find the 10th term.

• 27
• -397
• -27
• cannot be determined

Tags

CCSS.HSF.BF.A.2