ταυτότητες1
Authored by Prokopis Prokopiou
Mathematics
6th - 8th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(χ+ψ)2=
χ2+ψ2
χ2-ψ2
χ2+2χψ+ψ2
χ2-2χψ+ψ2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(χ-ψ)2=
χ2-ψ2
χ2+2χψ+ψ2
χ2+ψ2
χ2-2χψ+ψ2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2α+1)2=
2α2+1
4α2+1
4α2+4α+1
2α2+4α+1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(3α-2β)2=
3α2+2β2
9α2-12αβ+4β2
9α2-6αβ+4β2
9α2+12αβ+4β2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(5κ2+10λ3)2=
25κ2 + 100κ2λ3 + 100λ3
25κ2 + 100κ2λ3+ 50λ3
25κ4 + 100κ2λ3 + 100λ6
25κ4 + 50κ2λ3 + 100λ6
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(x+1)(x+5)(x-1)(x-5)=
x2+5x+1
x2-25x+1
x4-26x2+25
x2-25x+25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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