
Επανάληψη στις εξισώσεις με έναν άγνωστο!
Quiz
•
Mathematics
•
7th - 9th Grade
•
Easy
ATHANASIA KAVVADIA
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Η εξίσωση 2χ - 1 = χ + 5 έχει λύση
χ = 5
χ = 0
χ = 1
χ = 6
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Η εξίσωση χ = χ είναι
Evaluate responses using AI:
OFF
Answer explanation
σωστά!!!! κάθε εξίσωση της μορφής 0χ = α με α διάφορο του μηδενός είναι αδύνατη, δηλαδή δεν είχε λύσεις.
3.
MULTIPLE CHOICE QUESTION
1 min • Ungraded
τον αριθμό 5
τον αριθμό 6
τον αριθμό 3
δεν έχει λύσεις στους φυσικούς αριθμούς
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Η εξίσωση 3χ - 2 = 2χ + 4 έχει λύση
χ = 6
χ = 2
χ = 1
χ = 5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Η εξίσωση 4χ + 3 = 2χ + 9 έχει λύση
χ = 3
χ = 2
χ = 1
χ = 5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
χ = 2
χ = 6
είναι αδύνατη στους φυσικούς
χ = 10
Answer explanation
δεν υπάρχει φυσικός αριθμός που το μισό του αυξημένο κατά 4 να δώσει 3, δηλαδή αριθμό μικρότερο του ενός προσθεταίου.
7.
WORD CLOUD QUESTION
3 mins • Ungraded
Η εξίσωση με έναν άγνωστο που επαληθεύεται από όλους τους αριθμούς λέγεται
Answer explanation
αόριστη ή ταυτότητα
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