ΑΛΓΕΒΡΑ Α ΛΥΚΕΙΟΥ Ε.1 ΤΟ ΛΕΞΙΛΟΓΙΟ ΤΗΣ ΛΟΓΙΚΗΣ
Authored by Αθανάσιος .n
Mathematics
9th - 12th Grade
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
α2 = 9 => α = 3
ΣΩΣΤΟ
ΛΑΘΟΣ
Answer explanation
α2 = 9 => α = 3 ή α =-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
α2 = α ⇔ α = 1
ΣΩΣΤΟ
ΛΑΘΟΣ
Answer explanation
α2 = α ⇔ α = 1 ή α=0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
α2 ≠ α => α ≠ 1
ΣΩΣΤΟ
ΛΑΘΟΣ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
α ≠ 2 <=> α2 ≠ 4
ΣΩΣΤΟ
ΛΑΘΟΣ
Answer explanation
Λάθος γιατι για α=-2≠2 ισχύεο α2=(-2)2=4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
α > 2 => α2 > 4
ΣΩΣΤΟ
ΛΑΘΟΣ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
α < 2 => α2 < 4
ΣΩΣΤΟ
ΛΑΘΟΣ
Answer explanation
αφού α<2 τότε αν α=-3 θα ισχύει α2=(-3)2=9>4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
α2 < 4 => α < 2
ΣΩΣΤΟ
ΛΑΘΟΣ
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