Wyrażenia algebraiczne i równania

Quiz
•
Mathematics
•
6th Grade
•
Hard

Aneta Marczak
Used 123+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Liczba o 6 większa od kwadratu liczby a to:
6a2 + 2
6a + 2
a2 + 6
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Podaj nazwę wyrażenia algebraicznego 1/2(x-y):
połowa różnicy liczb x i y
podwojona różnica liczb x i y
połowa iloczynu liczb x i y
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Radek jest starszy od Ani o 9 lat. Ile lat ma Ania, jeśli Radek ma y lat ?
y + 9
y - 9
y - 18
4.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Dla x = −1 wyrażenie −9(5x + 7) przyjmuje wartość:
18
-18
6
5.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Wartość wyrażenia 2a2 - 3a dla a=-1 wynosi:
-5
5
-1
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Po uproszczeniu wyrażenia (7x − 8) − (6 + x) otrzymamy:
6x-14
8x-14
8x-2
7.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Wykonaj działania:
a) 6x +16x
b) -3c + 2c - 10c
c) 5t -(-5t) - 10t
a)22x
b) - 1c
c)0t
a)22x2
b) - 11c
c) 10t
a)22x
b) - 11c
c)0
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