
teza cls 7 sem II
Quiz
•
Mathematics
•
7th Grade
•
Hard
Dalina Zele
Used 6+ times
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9 questions
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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
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