Evaluare

Evaluare

9th Grade

9 Qs

quiz-placeholder

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Evaluare

Evaluare

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
6.NS.C.7A, 6.NS.C.7B

Standards-aligned

Created by

rodica batista

Used 1+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rezultatul calcului

 32+5210\sqrt{3^2+5^2}-10  aparține mulțimii:

N

Z

Q

R-Q

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cel mai mic număr natural din intervalul (-3; 5) este

-3

0

4

5

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

[-5;3)

(-5;3)

(-5;3]

[-5;3]

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Valoarea de adevăr a propoziției „72+242=252 este...

0

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Valoarea de adevăr a propoziției:



 „ 511=0,(45)\frac{5}{11}=0,\left(45\right) „ este..

1

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie Sn=1123+1234+1345+...+1n(n+1)(n+2)S_n=\frac{1}{1\cdot2\cdot3}+\frac{1}{2\cdot3\cdot4}+\frac{1}{3\cdot4\cdot5}+...+\frac{1}{n\left(n+1\right)\left(n+2\right)}  Atunci:

 S3=141345S_3=\frac{1}{4}-\frac{1}{3\cdot4\cdot5}  

 S3=940S_3=\frac{9}{40}  

 S3=415S_3=\frac{4}{15}  

 S3=13456S_3=\frac{1}{3\cdot4\cdot5\cdot6}  

Formulele precedente sunt toate false

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Într-o progresie aritmetică cu primul termen 1 și ratia 2 , al treilea termen este:

3

4

5

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