
Sistemes d'equacions 3r d'ESO

Quiz
•
Mathematics
•
3rd Grade
•
Hard
Jordi Roselló
Used 5+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resol el següent sistema pel mètode de substitució:
x = 3 i y = 1
x = 2 i y = 1
x = 2 i y = -1
x = 3 i y = -1
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resol el següent sistema pel mètode d’igualació:
x = - 3 i y = - 4
x = - 40 i y = - 17
x = 3 i y = 4
x = - 40 i y = 4
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resol amb el mètode que prefereixis i Indica quin tipus de sistema és:
Sistema compatible determinat (SCD)
Sistema incompatible (SI)
Sistema incompatible determinat (SID)
Sistema compatible indeterminat (SCI)
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resol gràficament el següent sistema:
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Resol el següent sistema pel mètode de reducció:
x = 2 i y = -1
x = 3 i y = 5
x = 5 i y = 3
x = -5 i y = -1
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
En un examen tipus test, les preguntes correctes sumen un punt i les incorrectes en resten mig. En total hi ha 100 preguntes i no s'admeten respostes en blanc (s'han de contestar totes). La nota d'un alumne és 85 sobre 100. Calcula el nombre de preguntes que contestà correcta i incorrectament.
87 respostes correctes i 13 d'incorrectes
85 respostes correctes correctes i 15 d'incorrectes
90 respostes correctes i 10 d'incorrectes.
95 respostes correctes i 5 d'incorrectes
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Troba la mesura dels costats d'un rectangle que té perímetre 24 i el costat major és el triple de gran que el menor.
Menor = 4'5 i major = 13'5
Menor = 5 i major = 15
Menor = 4 i major = 12
Menor = 3 i major = 9
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