Wyrażenia algebraiczne

Wyrażenia algebraiczne

7th - 8th Grade

20 Qs

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Wyrażenia algebraiczne

Wyrażenia algebraiczne

Assessment

Quiz

Mathematics

7th - 8th Grade

Hard

Created by

Wiesława Jemioła

Used 61+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Przykład jednomianu to:
4n + 1
4n
8n - 12
8n + 12

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Liczba o 6 większa od kwadratu liczby a to:
a2 + 6
2a + 6
6a + 2
6a2 + 2

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Liczba 3 razy mniejsza od połowy liczby c to: 
½ c - 3
c : 2 ⋅ 3
½ c + 3
(c : 2) : 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Z jednomianów: 
- 3a2     ;     14a     ;     - ½ a3
można zbudować sumę:
½ a3 - 3a2 + 14a
- ½ a3 + 3a2 + 14a
- ½ a3 - 3a2 + 14a
- ½ a3 - 3a2 - 14a

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mnożąc jednomian przez sumę algebraiczną:
3x(x-7)
otrzymasz:
3x2 - 21x
3x2 - 7
3x2 - 3x
3x2 + 21x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wartość liczbowa wyrażenia x2 + 1 dla x = -1 wynosi
2
0
-1
-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Współczynnik liczbowy jednomianu: 
- 5 t 2 z
jest równy:
- 5 2
5
- 5
5 t 2

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