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1ลำดับพจน์ที่n

Authored by susan chaiyorak

Mathematics

10th - 12th Grade

CCSS covered

Used 64+ times

1ลำดับพจน์ที่n
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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 an=3(n2)   ,           a3 = ?a_n=3\left(n-2\right)\ \ \ ,\ \ \ \ \ \ \ \ \ \ \ a_3\ =\ ?  

4

2

1

3

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 an=3n5 , a2 = ?a_n=3^n-5\ ,\ a_2\ =\ ?  

2

3

4

5

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 an=n22n , a4 = ?a_n=n^2-2n\ ,\ a_4\ =\ ?  

7

8

9

10

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 an = (n 1)2  , a11 = ?a_n\ =\ \left(n\ -1\right)^{2\ }\ ,\ a_{11}\ =\ ?  

100

121

169

81

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 an = 2n  1n + 2 ,   a5 = ?a_n\ =\ \frac{2n\ -\ 1}{n\ +\ 2}\ ,\ \ \ a_5\ =\ ?  

 79\frac{7}{9}  

 97\frac{9}{7}  

 107\frac{10}{7}  

 59\frac{5}{9}  

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 an= 13n , a3 = ?a_n=\ \frac{1}{3^n}\ ,\ a_3\ =\ ?  

 127\frac{1}{27}  

 327\frac{3}{27}  

 19\frac{1}{9}  

 181\frac{1}{81}  

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 an = (2)n + 3n  , a3 = ?a_n\ =\ \left(-2\right)^n\ +\ 3n\ \ ,\ a_3\ =\ ?  

3

2

-1

1

Tags

CCSS.HSF.BF.A.2

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