Δευτεροβάθμια Εξίσωση
Authored by giannis xantzis
Mathematics
10th Grade
Used 1+ times
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30 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Υπολόγισε και συμπλήρωσε τη Διακρίνουσα
της εξίσωσης
2x2 + 3x + 1 = 0
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Υπολόγισε και συμπλήρωσε τη Διακρίνουσα
της εξίσωσης
x2 + x - 2 = 0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ποιος είναι ο τύπος της Διακρίνουσας
μίας εξίσωσης αx2 + βx + γ = 0;
Δ = β2 + 4αγ
Δ = β2 - 4αγ
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Αν x1 , x2 είναι οι ρίζες της εξίσωσης αx2 + βx + γ = 0,
με τι είναι ίσο το άθροισμα x1 + x2 ;
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Αν x1 , x2 είναι οι ρίζες της εξίσωσης αx2 + βx + γ = 0,
με τι είναι ίσο το γινόμενο x1 . x2 ;
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Αν x1 , x2 είναι οι ρίζες της εξίσωσης 3x2 - 5x + 1 = 0,
με τι είναι ίσο το άθροισμα x1 + x2 ;
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Το α2 + β2 =
= (α + β)2
= (α + β)2 - 2αβ
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