CCSS.Math.Content.HSF.BF.A.2

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

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CCSS.Math.Content.HSF.BF.A.2

The explicit rule for arithmetic sequence is a_n = a₁ + d(n − 1), what does the d represent.

• common denominator
• common difference
• common divider
• uncommon difference

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CCSS.Math.Content.HSF.BF.A.2

What is the 15th term of the sequence an = -3n+50

• 95
• -5
• 5
• -95

Tags

CCSS.Math.Content.HSF.BF.A.2

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Tags

CCSS.Math.Content.HSF.BF.A.2

What is the explicit rule for the sequence:
11, 22, 44, 88...

• a_n = 2(11)^n-1
• a_n = a_n-1 ⋅ 2
• a_n = 11(2)^n-1
• a_n = a_n-1 + 11

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CCSS.Math.Content.HSF.BF.A.2

Find the recursive form of the following sequence
3, 6, 12, 24.....

• a_n= 2*a_n-1
• a_n= 3*a_n-1
• a_n= 2*a_n+1
• a_n= 3*a_n

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CCSS.Math.Content.HSF.BF.A.2

The first three terms of an arithmetic sequence are as follows.

3, -4, -11

Find the next two terms of this sequence

• -17 and -25

• -18 and -26

• -18 and -25

• -17 and -26

Tags

CCSS.Math.Content.HSF.BF.A.2

Find the sum of the 1st 112 terms of: 7 + 11 +15 + .....

• 25648

• 112

• 25846

• 224

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CCSS.Math.Content.HSF.BF.A.2

What is the explicit form of the sequence $\frac{1}{2},\ \frac{2}{5},\ \frac{1}{3},\ \frac{2}{7},\ \frac{1}{4}\ ...$  

•  $a_n=\frac{2}{n+3}$  

•  $a_n=\frac{2}{n-3}$  

•  $a_n=\frac{n}{n-3}$  

•  $a_n=\frac{n}{n+3}$  

•  $a_n=\frac{2}{n}$  

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CCSS.Math.Content.HSF.BF.A.2

Given the recursive formula, write the explicit formula for the geometric sequence.

 $a_1=6$  
 $a_n=5\cdot a_{n-1}$  

•  $a_n=5\cdot6^{n-1}$  

•  $a_n=6\cdot5^{n-1}$  

•  $a_n=6+5\left(n-1\right)$  

•  $a_n=5+6\left(n-1\right)$  

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CCSS.Math.Content.HSF.BF.A.2