Αν │x + 2│ ≤ 5 τότε
Άλγεβρα Α' Λυκείου

Quiz
•
Mathematics
•
10th - 12th Grade
•
Medium
Χουρμούζης Μαργαρίτης
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x ≤ -2
-5 ≤ x ≤ 7
-7 ≤ x ≤ 3
x ≥ 5
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Το ανάπτυγμα της ταυτότητας (α-β)² είναι:
α²-2αβ+β²
α²-β²
α²+β²
α²+2αβ+β²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Η εξίσωση x²=2x
έχει μοναδική λύση την x=0
είναι αόριστη
έχει λύση την x=0 και την x=2
είναι αδύνατη
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Αν η εξίσωση x2 - 4x + α = 0 έχει για διπλή ρίζα το 2, τότε ο α ισούται µε:
-1
1
-4
4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Aν x2 = x + 3, τότε το x3 ισούται µε:
4x + 3
x + 6
4x2 + 3
x2 + 3x + 3
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