
Wyrażenia algebraiczne klasa 7

Quiz
•
Mathematics
•
7th Grade
•
Hard
Nico Ski
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liczba o 5 mniejsza od liczby trzy razy większej od kwadratu liczby n to:
3(n2 - 5)
3n + 5
3n2 - 5
(3n - 5)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ania, Basia i Kasia kolekcjonują figurki zwierząt. Ania ma x figurek, Basia - o 30% więcej niż Ania, a Kasia - dwa razy mniej niż Ania. Które wyrażenie określa łączną liczbę figurek, które mają dziewczęta?
x + 0,3x + 2x
x + 1,3x + 0,5x
x + 1,3x + 0,65x
3x + 0,3x + 2x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Po uporządkowaniu jednomianu p · 4u · (-5) · p · 0,5u2 otrzymamy jednomian:
20p2u3
-10p2u3
-10pu
-20pu
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wartość wyrażenia -2(3x + 5) dla x = -2 wynosi:
-22
-2
2
22
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wskaż jednomiany podobne.
2ab , 2a2b , 2ab2
3x2y , 2xy2 , -3xy2
-a , -3ab , -2abc
3x2y , -5yx2 , 4xxy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Który z poniższych przykładów wykonano poprawnie?
0,5(x + 7y - 3z) = 0,5x - 7y + 3z
-5x(x + 2y) = -5x2 - 10xy
3xy + 2x2y - 3yx + xy2 = 3x2y
x2 + 5x + 1 - x2 - 6x + 2 = x + 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mnożąc sumę 2x + 3 przez sumę 3x - 2, otrzymamy wyrażenie:
6x2 - 5x + 6
6x2 + 13x - 6
6x2 - 5x - 6
6x2 + 5x - 6
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