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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
12.11 Factorising Using Identities

Example: Factorise 4x2 + 20 x + 25
  1. The above expression can be written in the form of a2 + 2ab + b2
  2. (2x)2 + 2(2x)(5) + (5)2
Answer: (2x+5)2


Directions: Find the factors.
Q 1: Factorise 4a2 + b2 + 4c2 - 4ab - 4bc + 8ac
Answer:

Q 2: Factorise 8x3 - 27y3
Answer:

Q 3: 8x3 - 125y3 -60x2y + 150xy2
Answer:

Q 4: 27x3 + y3 + 9xy2 + 27x2y
Answer:

Q 5: Factorise 125a3 + b3
Answer:

Q 6: x2 + y2 + az2 + 2xy + 6yz + 6xz
Answer:

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Question 8: This question is available to subscribers only!


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