
Cuestionari: Equacions de primer grau
Authored by Carlos J. Serrano Villalba
Mathematics
8th Grade
Used 4+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Escriu com a una equació:
A la meua granja de vaques, entre banyes i potes n´he comptat 42
2x = 42
42 + 4 = x
2x + 4x = 42
4x + x = 5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Associa l´equació correcta al següent enunciat:
"L´edat d´Andreu és el triple que la de la seua germana, i entre els dos sumen 20 anys"
x + 3x = 20
3x = 20
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dues equacions són equivalents quan
Quan tenen les mateixes incògnites i les mateixes solucions
Són molt paregudes
Tenen les mateixes lletres però diferents solucions
Són de segon grau
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Els termes d´una equació són els sumands que formen els membres
Vertader
Fals
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L´equació x2 + 6x - x2 = 7x - 1 és de segon grau
Vertader
Fals
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Resol l´equació
2x + 5 = 15
x = 8
x = 7
x = 10
x = 5
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Resol l´equació
3x + 6 = 2x + 13
x = 9
x = 6
x = 7
x = 8
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