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ταυτότητες1

Authored by Prokopis Prokopiou

Mathematics

6th - 8th Grade

Used 4+ times

ταυτότητες1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(χ+ψ)2=

χ22

χ22

χ2+2χψ+ψ2

χ2-2χψ+ψ2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(χ-ψ)2=

χ22

χ2+2χψ+ψ2

χ22

χ2-2χψ+ψ2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(2α+1)2=

2+1

2+1

2+4α+1

2+4α+1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(3α-2β)2=

2+2β2

2-12αβ+4β2

2-6αβ+4β2

2+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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