
Αξιοσημείωτες ταυτότητες
Authored by Yolanda Christopoulou
Mathematics
9th Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ποιες από τις παρακάτω ισότητες δεν είναι ταυτότητα;
0x = 0
x + y = 0
α2α = α3
(x + 3)2 = x2 + 6x + 9
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Το ανάπτυγμα του (x + α)2 είναι:
x2 + α2
x2 - 2xα + α2
x2 + xα + α2
x2 + 2xα + α2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Το ανάπτυγμα του (2α + 1)2 είναι:
2α2 + 4α + 1
4α2 + 1
4α2 + 4α + 1
4α2 + 2α + 1
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Το ανάπτυγμα του (y - 2)2 είναι:
y2 - 2y + 4
y2 - 4
y2 - 4y + 4
y2 + 4y + 4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Το ανάπτυγμα του (x + 1)3 είναι:
x3 + 3·x·1 + 13
x3 + 13
x3 + 3·x2 ·1 + 3·x·12 + 13
x3 + x2·1 + x·12 + 13
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Το ανάπτυγμα του (β - 2)3 είναι:
β3 - 3·β·2 + 23
β3 - 23
β3 - β2 ·2 + β·22 - 23
β3 - 3·β2 ·2 + 3·β·22 - 23
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Το ανάπτυγμα του (y - 3)(y + 3) είναι:
y2 - 3
9 - y2
y2 - 9
3 - y2
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