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ICSE-Class 9 - Mathematics - Expansions

Authored by Dr. Mahesh K.B.

Mathematics

9th Grade

CCSS covered

Used 253+ times

ICSE-Class 9 - Mathematics - Expansions
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a+b)2=\left(a+b\right)^2=   

 a2+b2a^2+b^2  

 a2+b22aba^2+b^2-2ab  

 a2+b2+2aba^2+b^2+2ab  

 2a+2b2a+2b  

Tags

CCSS.HSA.APR.C.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (ab)2=\left(a-b\right)^2=   

 a2b2a^2-b^2  

 a2+b22aba^2+b^2-2ab  

 a2+b2+2aba^2+b^2+2ab  

 2a2b2a-2b  

Tags

CCSS.HSA.APR.C.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (a+b)2+(ab)2=(a+b)^2+(a-b)^2=  

 4ab4ab   

 a2+b2a^2+b^2  

 2(a2+b2)2\left(a^2+b^2\right)  

 4(a2+b2)4\left(a^2+b^2\right)  

Tags

CCSS.7.EE.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (a+b)2(ab)2=(a+b)^2-(a-b)^2=  

 abab   

 2ab2ab  

 3ab3ab  

 4ab4ab  

Tags

CCSS.HSA.APR.C.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (a+b)(ab)=(a+b)(a-b)^{ }=  

 a2b2a^2b^2   

 a2b2a^2-b^2  

 2(ab)2\left(a-b\right)  

 a2+b2a^2+b^2  

Tags

CCSS.HSA.APR.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (a+1a)2=\left(a+\frac{1}{a}\right)^2= 

 a2+1a2a^2+\frac{1}{a^2}^{ } 

 a2+1a22a^2+\frac{1}{a^2}^{ }-2 

 a2+2+1a2a^2+2+\frac{1}{a^2}^{ } 

 2(a+1a)2\left(a+\frac{1}{a}\right) 

Tags

CCSS.HSA.APR.C.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 (a1a)2=\left(a-\frac{1}{a}\right)^2= 

 a21a2a^2-\frac{1}{a^2}^{ } 

 a2+1a22a^2+\frac{1}{a^2}^{ }-2 

 a2+1a2+2a^2+\frac{1}{a^2}+2 

 2(a1a)2\left(a-\frac{1}{a}\right) 

Tags

CCSS.HSA.APR.C.4

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