Algebraické vzorce
Authored by Hana Machalová
Mathematics
8th - 9th Grade
Used 27+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vytkni co nejvýhodněji:
- 4a + ab
a . (- 4 + a)
a . (- 4 + b)
-a . (- 4 + a)
a . (- 4 + c)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vytkni co nejvýhodněji:
8 a2 - a3
a . ( 8a - a2)
8a . ( a - a2)
a2 . ( 8 - a)
a2 . ( a - 8)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Umocněte závorku:
(b + 4)2
b + 8b + 16
b2 - 8b + 16
b2 + 8b + 16
b2 + 16b + 16
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Umocněte závorku:
( -z - 3)2
z2 + 6z + 9
z2 - 6z - 9
z2 - 6z + 81
z2 - 12z + 49
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Upravte pomocí vhodného vzorce:
a2 - 8ab + 16b2
(a - b)2
(4a - 2b)2
(a + 4b)2
(a - 4b)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rozložte na součin:
25 - 36y2
(5 - 6y) . (5 - 6y)
(5 - 6y)2
(5 + 6y)2
(5 - 6y) . (5 + 6y)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Upravte pomocí vhodného vzorce:
( xy + 3) . ( xy - 3)
( xy + 3)2
( xy - 3)2
x2y2 + 9
x2y2 - 9
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