
Vytýkání výrazů, vzorce - 8.ročník

Quiz
•
Mathematics
•
8th Grade
•
Medium
Helena Prášková
Used 51+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
10m2n + 15mn2
5mn . (2m + 3n)
10mn . ( m + 5n)
2mn . (5m + 7n)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
15a3b2 + 25a2b4 = 5a2b2 . (3a + 5b2)
rovnost neplatí
rovnost platí
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
60x + 5x2
5 . (12x + x2)
x . (60 + 5x)
5x . (12 + x)
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(a - 3b)2 =
a2 - 6ab + 9b2
a2 - 3ab + 3b2
a2 - 6a2b2 + 9b2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(2p - 7q)2 =
2p2 - 14pq + 7q2
4p2 - 14p2q2 + 49q2
4p2 - 14pq + 49q2
4p2 - 28pq + 49q2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(3a2 + 11)2 =
3a4 + 33a2 + 121
9a4 + 33a2 + 121
9a4 + 66a2 + 121
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(0,5x - 0,8y)2 =
2,5x2 - 0,8xy + 6,4y2
0,25x2 - 0,8xy + 0,64y2
0,25x2 - 0,4xy + 0,64y2
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x2 - 9 =
(x - 3)(x - 3)
(x - 3)(x + 3)
(x - 81)(x + 81)
(x - 81)(x - 81)
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