Sprawdzian wyrażenia algebraiczne i równania klasa 8
Quiz
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Medium
Katarzyna Świątkowska
Used 333+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Która liczba jest rozwiązaniem równania
4 ∙ x – 6 = 66
18
-18
15
-15
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ojciec jest o 20 lat starszy od syna. Razem mają 30 lat. Ile lat ma ojciec, a ile syn?
ojciec 24 lata, syn 5 lat
nie da się obliczyć, zbyt mało danych
ojciec 25 lat, syn 5 lata
ojciec 26 lat, syn 4 lata
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Zapisz w jak najprostszej postaci: -(3x+4)-7x-1
10x + 5
-4x +4
4x - 3
-10x - 5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suma dwóch liczb wynosi 23. Jedna z liczb jest o 7 mniejsza od drugiej. Znajdź te liczby.
te liczby to: 18 i 5
te liczby to: 15 i 8
te liczby to: 13 i 10
nie da się obliczyć
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Po uproszczeniu wyrażenia 4(a + 5b) − 3(3b + 2a) otrzymamy:
2a + 11b
-2a + 11b
21ab
2a + 17b
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Zapisz wyrażenie t(4a − 3s) + s(3t + a) w najprostszej postaci.
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Rozwiązaniem równania jest liczba:
8
9
18
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