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Produtos Notáveis

Authored by Prof.Teodomiro Santos

Mathematics

9th Grade

Used 12+ times

Produtos Notáveis
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

é um quadrado da soma de dois termos...

(a−b)2=a2−2⋅a⋅b+b2\left(a-b\right)^2=a^2-2\cdot a\cdot b+b^2

(x+y)2=x2+2⋅x⋅y+y2\left(x+y\right)^2=x^2+2\cdot x\cdot y+y^2

(α+β)⋅ (α−β)=α2−β2\left(\alpha+\beta\right)\cdot\ \left(\alpha-\beta\right)=\alpha^2-\beta^2

(γ+π)3=γ3+π3\left(\gamma+\pi\right)^3=\gamma^3+\pi^3

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

é um quadrado da diferença de dois termos...

(a−b)2=a2−2⋅a⋅b+b2\left(a-b\right)^2=a^2-2\cdot a\cdot b+b^2

(x+y)2=x2+2⋅x⋅y+y2\left(x+y\right)^2=x^2+2\cdot x\cdot y+y^2

(α+β)⋅ (α−β)=α2−β2\left(\alpha+\beta\right)\cdot\ \left(\alpha-\beta\right)=\alpha^2-\beta^2

(γ+π)3=γ3+π3\left(\gamma+\pi\right)^3=\gamma^3+\pi^3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

é um produto da soma pela diferença de dois termos...

(a−b)2=a2−2⋅a⋅b+b2\left(a-b\right)^2=a^2-2\cdot a\cdot b+b^2

(x+y)2=x2+2⋅x⋅y+y2\left(x+y\right)^2=x^2+2\cdot x\cdot y+y^2

(α+β)⋅ (α−β)=α2−β2\left(\alpha+\beta\right)\cdot\ \left(\alpha-\beta\right)=\alpha^2-\beta^2

(γ+π)3=γ3+π3\left(\gamma+\pi\right)^3=\gamma^3+\pi^3

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O único produto notável que foi desenvolvido de forma incorreta é...

(a−b)2=a2−2⋅a⋅b+b2\left(a-b\right)^2=a^2-2\cdot a\cdot b+b^2

(x+y)2=x2+2⋅x⋅y+y2\left(x+y\right)^2=x^2+2\cdot x\cdot y+y^2

(α+β)⋅ (α−β)=α2−β2\left(\alpha+\beta\right)\cdot\ \left(\alpha-\beta\right)=\alpha^2-\beta^2

(γ+π)3=γ3+π3\left(\gamma+\pi\right)^3=\gamma^3+\pi^3

5.

DRAG AND DROP QUESTION

1 min • 1 pt

Complete corretamente

(y+4)2=\left(y+4\right)^2= ​ ​ (a)   ++ ​ (b)   ++ ​ (c)  

y2y^2  

8y8y  

1616  

yy  

44  

4y4y  

6.

DRAG AND DROP QUESTION

1 min • 1 pt

Complete corretamente

(x+3)2=\left(x+3\right)^2= ​ ​ (a)   ++ ​ (b)   ++ ​ (c)  

x2x^2  

6x6x  

99  

yy  

33  

3x3x  

7.

DRAG AND DROP QUESTION

1 min • 1 pt

Complete corretamente

(2x−1)2=\left(2x-1\right)^2= ​ ​ (a)   ++ ​ (b)   ++ ​ (c)  

4x24x^2  

4x4x  

11  

2x2x  

−1-1  

4x34x^3  

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