teza cls 7 sem II

teza cls 7 sem II

7th Grade

9 Qs

quiz-placeholder

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teza cls 7 sem II

teza cls 7 sem II

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Dalina Zele

Used 6+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului (2+2√2)(2-2√2)este egal cu ……….…….

4

-4

8

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului (√3)-1-1 ∕ √3+3 este egal cu …………….

3

1/√3

-1/√3

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului tg60 ͦ – ctg30 ͦ+ tg45 ͦeste egal cu ………

-√2/2

√2/2

1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rezultatul calculului (x+3)2-x2-6x este egal cu ………….…..

9

6x

x2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Latura unui pătrat cu aria de 16 cm2 are lungimea de ……….. cm

16

4

8

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Aria unui romb cu latura de 2√3 cm și un unghi de 120 ͦeste ……………..cm2

6√3

2

12

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Descompuneţi în factori: x2+4x+4.

(x+2)2

(x-2)2

x+2

8.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

În dreptunghiul ABCD, BD=8 şi sinusul unghiului ABD=1/4 . Să se determine aria dreptunghiului ABCD.

4√15

2√15

30

9.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

În trapezul isoscel ABCD (AB║CD), diagonala BD perpendicular pe BC. Dacă baza mare CD = 20cm şi baza mică AB = 12cm, să se calculeze aria trapezului.

28√3

128√3

120√3