Rezultatul calculului ( x + 1)2 este …:
Teza pe semestrul al II lea la clasa a VII a

Quiz
•
Mathematics
•
7th Grade
•
Hard
ZAMFIRA MOCANU
Used 25+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2 +1
x2+2x+1
2x+1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculând ( 2x + 3) ( 2x – 3 ) se obţine …
4x2-9
2x2-9
4x2+9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Înălţimea dusă din vârful unghiului drept este …
jumătate din ipotenuză
semiprodusul catetelor
produsul catetelor raportat la ipotenuză
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ipotenuza unui triunghi dreptunghi cu catetele de 12 cm şi 16 cm este …
20 cm
28 cm
4√̅7 cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soluţiile în Z ale ecuaţiei | x | = 1 sunt …
{ 1 }
{ -1 }
{ 1, -1 }
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
În triunghiul dreptunghic ΔABC, m (< A ) = 90º, AB = 12 cm , AD înălţime, iar BD = 8 cm . Aflaţi pe BC.
26 cm
18 cm
24 cm
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
În triunghiul dreptunghic ΔABC, m (< A ) = 90º, AB = 12 cm , AD înălţime, iar BD = 8 cm . Aflaţi pe AC
6√̅5 cm
4√̅1̅3̅ ̅ cm
4√̅1̅7̅ cm
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