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Wyrażenia algebraiczne - klasa 7

Authored by Danuta Skrzypecka

Mathematics

1st - 5th Grade

Used 568+ times

Wyrażenia algebraiczne - klasa 7
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Uporządkuj jednomian.

-1ac·(-5)a·2 =

-5a2c

-10ac

10a2c

5a2c

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Wykonaj mnożenie
- x (6x2 – 12x – 3)         

6x+ 12 x2  - 3x
-6x+ 12 x2  - 3x
6x- 12 x2  - 3x
-6x+ 12 x2  + 3x

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Wykonaj redukcję wyrazów podobnych.
3x – 2y + 5x – 6y – x

9x+8y
7x+8y
2x -8y
7x-8y

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Które wyrażenie to jednomian?

3ab
3a+b
4+ab
a-b

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Opuść nawiasy w wyrażeniu.
(3a + y) - (-5a + 6)

3a + y - 5a - 6
3a + y + 5a - 6
3a + y - 5a + 6
3a + y + 5a + 6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Opuść nawiasy w wyrażeniu.
(2x + y) - (4a + 5)

2x + y - 4a + 5
2x + y - 4a - 5
2x + y + 4a - 5
2x + y + 4a + 5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Po zapisaniu wyrażenia -3(5a + 4b) w najprostszej postaci otrzymamy:

15a-12b
-15a-12b
15a+12b
-15a+12b

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