ΠΟΛΥΩΝΥΜΑ_ΕΙΣΑΓΩΓΗ
Quiz
•
Mathematics
•
11th Grade
•
Medium
giannis xantzis
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποια από τις παρακάτω παραστάσεις δεν είναι μονώνυμο ;
x3
2x-3
5
x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποιος είναι ο σταθερός όρος του πολυωνύμου
P(x) = 7x4 - 12x3 + 8x2 + 11x - 6 ;
7
6
-6
11
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Σε κάθε πολυώνυμο P(x), o σταθερός όρος είναι ίσος με την τιμή P(0).
Σ Ω Σ Τ Ο
Λ Α Θ Ο Σ
Answer explanation
Πράγματι, αν
P(x) = ανxν + αν-1xν-1 + . . . + α2x2 + α1x + αο
τότε η τιμή P(0) = ao.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-5
2
10
-10
Answer explanation
Ο σταθερός όρος είναι ίσος με την τιμή P(0).
Αν βάλεις όπου x το 0, θα βρεις ότι
P(0) = (-5)(+2) = - 10.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ποιο από τα παρακάτω πολυώνυμα είναι 3ου βαθμού ;
Διάλεξε τη ΣΩΣΤΗ απαντηση.
5x + 2x3 - 7
(2x + 5)(x2 + 3)
και τα δύο.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Τι βαθμού είναι το P(x) = 3x + 2024 ;
μηδενικού βαθμού
πρώτου βαθμού
δευτέρου βαθμού
κανένα από τα προηγούμενα
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Το πολυώνυμο P(x) = (m - 3)x3 + (2m - 6)x + 7x + 5m
είναι οπωσδήποτε 3ου βαθμού.
Σ Ω Σ Τ Ο
Λ Α Θ Ο Σ
Answer explanation
Αν το m = 3 , τότε
το P(x) = (m - 3)x3 + (2m - 6)x2 + 7x + 5m
γίνεται P(x) = 7x + 15.
Επομένως, δεν είναι σίγουρα 3ου βαθμού, μπορεί να είναι και 1ου.
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