Concept-wise Practice

compare-area-models MCQ Questions for Class 9

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Practice Questions

1 questions tagged with compare-area-models.

यदि ( (x+2)(x+8) ) और ( (x+5)2 ) के क्षेत्रफल मॉडलों की तुलना हो, तो कौन बड़ा है और कितना?

If area models of ( (x+2)(x+8) ) and ( (x+5)2 ) are compared, which is larger and by how much?

Explanation opens after your attempt
Correct Answer

C. ( (x+5)2 ), (9) से( (x+5)2 ), by (9)

Step 1

Concept

( (x+5)2=x-2+10x+25 ) and ( (x+2)(x+8)=x-2+10x+16 ). In exams, cancel equal (x) terms and compare constants.

Step 2

Why this answer is correct

The correct answer is C. ( (x+5)2 ), (9) से / ( (x+5)2 ), by (9). ( (x+5)2=x-2+10x+25 ) and ( (x+2)(x+8)=x-2+10x+16 ). In exams, cancel equal (x) terms and compare constants.

Step 3

Exam Tip

( (x+5)2=x-2+10x+25 ) और ( (x+2)(x+8)=x-2+10x+16 ) है। परीक्षा में समान (x) पदों को काटकर स्थिर भाग तुलना करें।

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