📘 Class 8 Maths – Chapter 14: Factorisation
STEP 8: MCQs + Practice Worksheet
📝 Part A: Multiple Choice Questions (MCQs)
-
Factorisation of
x² − 9is:
A) (x − 3)(x − 3)
B) (x + 3)(x + 3)
C) (x − 3)(x + 3) ✅
D) x(x − 9) -
Common factor of
8x + 12is:
A) 2
B) 4 ✅
C) x
D) 8 -
Which identity is used for
a² − b²?
A) (a + b)²
B) (a − b)²
C) (a − b)(a + b) ✅
D) a² + b² -
Factorisation of
x² + 5x + 6is:
A) (x + 1)(x + 6)
B) (x + 2)(x + 3) ✅
C) (x − 2)(x − 3)
D) x(x + 6) -
Number of terms in
(a + b)²after expansion:
A) 2
B) 3 ✅
C) 4
D) 1
✏️ Part B: Practice Worksheet
- Factorise:
6x + 18 - Factorise:
x² − 25 - Factorise by grouping:
ax + ay + bx + by - Factorise:
x² + 9x + 20 - Factorise completely:
4x² − 16 - Find the factors of
2a² + 6a
🎯 Learning Tip
- Always check for common factors first
- Use identities wherever possible
- Practice grouping for 4-term expressions
📘 Class 8 Mathematics – Complete Library
CBSE | NCERT | State Syllabus
Chapter 1: Rational Numbers
Chapter 2: Linear Equations in One Variable
Chapter 3: Understanding Quadrilaterals
Chapter 4: Practical Geometry
Chapter 5: Data Handling
Chapter 6: Squares and Square Roots
Chapter 7: Cubes and Cube Roots
- NCERT Notes
- MCQs
- Worksheet
- Worksheet Answers
- Mind Map & Easy Tricks
- Important Exam Questions
- Very Important Questions
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