
Equacions de 1r grau i problemes
Authored by Maite Tomé
Mathematics
9th Grade
Used 6+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
És una equació o una identitat?
3x – 2 = 1 - 4x + 5
Equació
Igualtat
Identitat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resol la següent equació
a) x + 2(x - 1) = 4
x = 1
X = 2
X = 3
x = 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina diferencia hi ha entre equacions 1r grau i identitats
la equació té 3 solucions i la identitat 1
la equació té 2 solucions i la identitat qualsevol nombre
la equació té 1 solució i la identitat infinites
les equacions i identitats tenen les dos com a solució qualsevol nombre
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
És una equació o una identitat?
2x+7-5(x+1)=2-3x
Equació
Igualtat
Identitat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina d'aquestes equacions no és de primer grau
x+x=4
1-x/2=1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(4x+2)=(7x-20)
(4x-2) = (7x+20)
(4-2x) = (7+20x)
(4x-2) = (7x-20)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dos nombres parells consecutius
2x, 2x +1
2x, 2x +3
2x, 4x
2x, 2x+2
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