Формули за съкратено умножение
Authored by Maria Borisova
Mathematics
7th Grade
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(5+2x)2=
4x2+20x+25
0,25x2−2x+4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x2−x)2=
x4−2x3+x2
0,25x2−2x+4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(0,5x−2)2=
x4−2x3+x2
0,25x2−2x+4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x−3)2=
x2−6x+9
x2+6x+9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x+3)2=
x2−6x+9
x2+6x+9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x−2)3=
x3-6x2+12x-8
x3+3x2+3x+1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x+1)3=
x3-6x2+12x-8
x3+3x2+3x+1
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