алгебра
Authored by Asem Akmurzaeva
Mathematics
7th Grade
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(2x-3y)2
4x2-12xy+9y2
4x2+9y2
4x2-9y2
4x2+12xy+9y2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(2x)3-(3y)3=
(2x+3y)(4x2-6xy+9y2)
4x2+12xy+9y2
(2x-3y)(4x2+6xy+9y2)
(2x-3y)(4x2+12xy+9y2)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
b3+125=
(-5-b)(b2-5b+25)
(b+5)(b2-5b+25)
(b-5) (b2+5b+25)
(5+b)(-b2-5b-25)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
а2-14а+49
(7+а)2
(а-7)(а+7)
(а-7)2
а2-72
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
у3-3у2+3у-1
(у-1)3
(у+1)3
у3-1
у2+3ху-3х2у+1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(5х-4)(5х+4)
25х-16
25х2-16
16-25х2
25х2-4
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(m+n)3=
m3+3m2n+3mn2+n3
(m+n)(m-n)
m2+2mn+n3
m3-3m2n+3m2n-n3
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