Identitats notables

Identitats notables

2nd Grade

14 Qs

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Identitats notables

Identitats notables

Assessment

Quiz

Mathematics

2nd Grade

Practice Problem

Hard

CCSS
HSA.APR.C.4, HSA.APR.A.1

Standards-aligned

Created by

Marta Alemany

Used 14+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (a+b)2=\left(a+b\right)^2=  

 a2+b2a^2+b^2  

 a22ab+b2a^2-2ab+b^2  

 a2+2ab+b2a^2+2ab+b^2  

 a2b2a^2-b^2  

Tags

CCSS.HSA.APR.C.4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (a+b)(ab)=\left(a+b\right)\left(a-b\right)=  

 a2+b2a^2+b^2  

 b2a2b^2-a^2  

 a22ab+b2a^2-2ab+b^2  

 a2b2a^2-b^2  

Tags

CCSS.HSA.APR.C.4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (ab)2=\left(a-b\right)^2=  

 a2b2a^2-b^2  

 a22ab+b2a^2-2ab+b^2  

 a2+2ab+b2a^2+2ab+b^2  

 a22abb2a^2-2ab-b^2  

Tags

CCSS.HSA.APR.C.4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (x+3)2=\left(x+3\right)^2=  

 x2+6x+9x^2+6x+9  

 x2+6x+6x^2+6x+6  

 x2+9x^2+9  

 x29x^2-9  

Tags

CCSS.HSA.APR.C.4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (x8)2=\left(x-8\right)^2=  

 x264x^2-64  

 x2+16x64x^2+16x-64  

 x216x64x^2-16x-64  

 x216x+64x^2-16x+64  

Tags

CCSS.HSA.APR.C.4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (x+9)(x9)=\left(x+9\right)\left(x-9\right)=  

 x218x+81x^2-18x+81  

 x281x^2-81  

 x2+18x81x^2+18x-81  

 x2+81x^2+81  

Tags

CCSS.HSA.APR.C.4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (2x+1)2=\left(2x+1\right)^2=  

 4x2+4x+14x^2+4x+1  

 2x2+12x^2+1  

 2x2+4x+12x^2+4x+1  

 4x2+4x+24x^2+4x+2  

Tags

CCSS.HSA.APR.C.4

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