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Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

anca maria

Used 16+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2 ; 5  0 ; 7=\lceil-2\ ;\ 5\rceil\ \cap\ \lceil0\ ;\ 7\rceil=  

(-2 ; 7)

 0 ; 5\lceil0\ ;\ 5\rceil  

 2; 5\lceil-2;\ 5\rceil  

 0 ;7\lceil0\ ;7\rceil  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt


 a=101a=\sqrt{10}-1   b=10+1b=\sqrt{10}+1  Media geometrica a nr. a si b =......

 11\sqrt{11}  

 10\sqrt{10}  

3

 3\sqrt{3}  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Intr-un trapez dreptunghic ortodiagonal, B= 9 si b= 4. Inaltimea trapezului este egala cu....

13

8

6

2,5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Intr-un triunghi dreptunghic , cateta AB = 4 cm si ipotenuza este egala cu 8 cm. Atunci proiectia catetei AB pe ipotenuza este egala cu....

2

6

4

424\sqrt{2}

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 123+134+........+199100=\frac{1}{2\cdot3}+\frac{1}{3\cdot4}+........+\frac{1}{99\cdot100}=  

 50100\frac{50}{100}  

 99100\frac{99}{100}  

 49100\frac{49}{100}  

 30100\frac{30}{100}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O carte costa 450 de lei. Pretul ei se reduce cu 20%. Ea va costa dupa reducere.....lei.

400

390

350

360

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 A={xR, x <4}A=\left\{x\in R,\ x\ <4\right\}  A=.......

 (4 ;)\left(4\ ;\infty\right)  

 (4 ;4)\left(-4\ ;4\right)  

 ( ;4)\left(-\infty\ ;4\right)  

 4 ;4\lceil-4\ ;4\rceil  

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