Arithmetic and Geometric Sequences

Write an explicit formula for the sequence

6, 10, 14, 18, ...

• $a_n=6+4\left(n-1\right)$

• $a_n=2+4\left(n-1\right)$

• $a_n=6\left(4\right)^{\left(n-1\right)}$

• $a_n=6\left(4\right)\left(n-1\right)$

Tags

CCSS.HSF.BF.A.2

What is the 100th term in the sequence

6, 10, 14, 18, ...

• 402

• 406

• 598

• 604

Tags

CCSS.HSF.BF.A.2

Write an explicit formula for the sequence

2, 6, 18, 54, ...

•  $c_n=2\left(6\right)^{\left(n-1\right)}$ 

•  $c_n=2+3\left(n-1\right)$ 

•  $c_n=2+6\left(n-1\right)$ 

•  $c_n=2\left(3\right)^{\left(n-1\right)}$ 

Tags

CCSS.HSF.BF.A.2

What is the 20th term in the sequence

2, 6, 18, 54, ...

• 2324522934

• 59

• 6973568802

• 3486784403

Tags

CCSS.HSF.BF.A.2

What kind of sequence is illustrated below?
 400, 200, 100, 50, 25, ...

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

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

• 25
• 20
• 5
• 4

Tags

CCSS.HSF.BF.A.2

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

• -1
• -2
• 1
• 2

Tags

CCSS.HSF.BF.A.2

What is the 8th term in the sequence below?
3, 9, 27, 81, ...

• 19,683
• 6,561
• 2,187
• 729

Tags

CCSS.HSF.BF.A.2