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Algebraické vzorce

Authored by Hana Machalová

Mathematics

8th - 9th Grade

Used 27+ times

Algebraické vzorce
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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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