Απόλυτες Τιμές.
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Medium
ΜΑΡΙΑ ΣΤΑΜΑΤΗ
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16 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Η τιμή της παράστασης ισούται με:
2
-2
2
-2
2.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Καθώς περπατάς στο δρόμο, ένας περαστικός σε σταματάει και σε ρωτάει: d(α,β) = ? Πώς αντιδράς/Τι απαντάς? (περισσότερες από μία σωστές απαντήσεις )
0
|α-β|
αρχίζεις να τρέχεις(!)
-100
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Αν x>3 η απλοποιημένη μορφή της παράστασης : |x-3|-|x+2|+|2-x| είναι :
x-1
x-7
3x+2
10
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Αν -1<α<2 η απλοποιημένη μορφή της παράστασης |α-2| - |α+1|+2α-1 είναι:
0
1
2α
2α-1
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Οι αντίθετοι αριθμοί έχουν ίσες απόλυτες τιμές. Δηλ |α-β|=|β-α|
ΣΩΣΤΟ
ΛΑΘΟΣ
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Η απόλυτη τιμή ενός αριθμού γεωμετρικά ερμηνεύεται ως η απόσταση ενός αριθμού από το μηδέν.
ΣΩΣΤΟ
ΛΑΘΟΣ
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Η απλοποιημένη μορφή της παράστασης :
|α2 +2αβ+β2| - |α2-2αβ+β2 | ισούται με:
4αβ
α2
β2
α+β
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