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Factorisation

ICSE · Class 9 · Mathematics

Practice quiz for Factorisation — ICSE Class 9 Mathematics. MCQs and questions with answers to test your preparation.

41 questions24 flashcards5 concepts

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A visual representation showing a polynomial being expressed as a product of its factors, illustrating that factorisation is the reverse of multiplication.
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Quick Quiz: Factorisation

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1

Factorise: 12x² - 18x

2

Factorise by grouping: ab + 2b + 3a + 6

3

Which method should be used to factorise x³ + 8?

4

Factorise: 3x² - 12x + 12

41 Questions·
multiple choicemultiple correcttext answertrue falsematchingordering

Sample Questions

1multiple correct

Which of the following are factors of x² + 7x + 12?

Show answer

(x + 3), (x + 4)

Step 1: Split middle term 7x = 3x + 4x (since 3 + 4 = 7 and 3 × 4 = 12). Step 2: x² + 3x + 4x + 12 = x(x + 3) + 4(x + 3) = (x + 3)(x + 4). The factors are (x + 3) and (x + 4).

2text answer

Factorise: x² - 16

3true false

The expression 2x² + 8x + 8 can be factorised as 2(x + 2)²

Show answer

True

Step 1: Take out common factor 2: 2x² + 8x + 8 = 2(x² + 4x + 4). Step 2: Factorise x² + 4x + 4 = (x + 2)². Step 3: So 2x² + 8x + 8 = 2(x + 2)². The statement is true.

4text answer

Find the value of x² - 25 when x = 8

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Frequently Asked Questions

What are the important topics in Factorisation for ICSE Class 9 Mathematics?
Factorisation covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Factorisation — ICSE Class 9 Mathematics?
Understand the core concepts first, then work through the 41 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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