ecuatii si sisteme de ecuatii
Authored by Loredana Constandache
Mathematics
7th - 8th Grade
Used 61+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soluția ecuației: 4x-2=10 este
x=3
x=-3
x=2
x=8
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Solutia ecuației: -5x+5=-30 este
x=5
x=7
x=-7
x=6
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Soluția ecuației: 7-3x==-23-8x este:
6
7
-6
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Dintre ecuațiile următoare, echivalente sunt:
3x-8=10
9-2x=-21-7x
2(x+1)=10-x
-4x+2=-22
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suma soluțiilor ecuației: |x+3|=5 este
5
-6
-8
2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fie sistemul de ecuații (S): x+y=3 si
x -y=-1.
Soluția sistemului este:
(1;2)
(-1;2)
(2;1)
(-2;1)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sie sistemul de ecuații (S): și .Soluția sistemului este:
(-6;-2)
(2;-6)
(-2;-6)
(-2;6)
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