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FVA sobre Factorial

Authored by Pedro Amieiro

Mathematics

12th Grade

CCSS covered

Used 10+ times

FVA sobre Factorial
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A solução da equação  (n+1)!n!=15\frac{\left(n+1\right)!}{n!}=15  é:

14

21

8

9

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 83×82×81×80×79=83\times82\times81\times80\times79=  

 83!78!\frac{83!}{78!}  

 83!79!\frac{83!}{79!}  

 78!83\frac{78!}{83}  

 83788378  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (n+2)!n!=\frac{\left(n+2\right)!}{n!}=  

 n+1n+1  

 n2+n+1n^2+n+1  

 2n+22n+2  

 n2+3n+2n^2+3n+2  

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.SSE.B.3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (n+2)!n!×(n1)!(n+1)!\frac{\left(n+2\right)!}{n!}\times\frac{\left(n-1\right)!}{\left(n+1\right)!}  

 nn+1\frac{n}{n+1}  

 n+2n\frac{n+2}{n}  

 nn  

 n+1n+1  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A resolução da equação
 (n+2)!5(n+1)!21n!=0\left(n+2\right)!-5\left(n+1\right)!-21n!=0  conduz à expressão:

 n=2  n=6n=-2\ \vee\ n=6  

 n=3  n=6n=-3\ \vee\ n=6  

 n=4  n=6n=-4\ \vee\ n=6  

 n=1  n=6n=-1\ \vee\ n=6  

6.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Qual ou quais das seguintes são proposições verdadeiras?

0!=10!=1

1!=01!=0

(4)!=24\left(-4\right)!=-24

4!=24-4!=-24

7.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Qual, ou quais das seguintes proposições são falsas?

78!77!×78078!-77!\times78\ge0

12!+11!=13!12!+11!=13!

0!×2!3!<00!\times2!-3!<0

4×3×2×1×0=4!4\times3\times2\times1\times0=4!

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