
Wyrażenia algebraiczne kl.7
Quiz
•
Mathematics
•
1st - 5th Grade
•
Medium
Iwona Broda
Used 37+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dla x= -2 wyrażenie -4(2x+5) przyjmuje wartość:
-36
36
-4
20
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jednomianem jest wyrażenie:
3+x+y
3xy
3(x-y)
(3+y)x
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Po redukcji wyrazów podobnych w wyrażeniu 3x2+7y+4x2-7y+1 otrzymamy:
7x2+1
7x2+14y+1
7x2-14y+1
12x2+1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Po uproszczeniu wyrażenia (3x-4)-(2+x) otrzymamy:
4x-2
4x-6
2x-2
2x-6
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Iloczyn (2x+3)(4-x) jest równy:
2x2+5x+12
-2x2+11x+12
-2x2+5x+12
-2x2+5x-12
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Od różnicy kwadratów liczb x i y odjęto sumę kwadratów tych liczb. Otrzymano wówczas:
0
x2
-2y2
2x2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Wiktor buduje zamek z piasku. Wiaderko ma pojemność x cm3. Ile cm3 zużyje Wiktor na tę budowlę, jeżeli do zbudowania zamku wykorzystał 54 wiaderka piasku?
54x
54+x
54:x
x:54
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