(x+5)2=... .
Formule de calcul prescurtat - 2019 - 1

Quiz
•
Mathematics
•
7th - 8th Grade
•
Hard
Peter Pop
Used 114+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x2+5x+25
x2+10x+25
x2+5x+10
x2+10x+10
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(4-x)2=... .
16-8x+x2
16+8x+x2
16-x2
16-4x+x2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(x+1)(1-x)=... .
x2-1
1-2x
1-x2
x2-2x+1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(6x+5y)2=... .
36x2+30xy+25y2
36x+60xy+25y
12x2+60xy+10y2
36x2+60xy+25y2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(3a-b)2=... .
9a2-6ab+b2
9a2-6ab+2b
6a2-3ab+b2
9a2-3ab+b2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(2x+5y)(5y-2x)=... .
4x2-25y2
25y2-4x2
10y2-4x2
4x2+25y2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(1+x)2+(x+2)2+(3-x)2=... .
3x2+12x+14
3x2+6x+14
3x2+14
3x2+8x+14
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