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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Middle/High School Algebra, Geometry, and Statistics (AGS)
3.10 Factorization: (a-b)2

Example:
Factorize, 9a2-24ab+16b2.

Solution:
Given that, 9a2-24ab+16b2.
We can write this as,
(3a)2-2.3a.4b+(4b)2.
This is in the form of (a-b)2 = a2-2ab+b2.
Here a = 3a and b = 4b, substitute these values in the formula, we get,
(3a-4b)2.

Directions: Solve the following problems. Also write at least 10 examples of your own.
Q 1: Factorize, 25a2-40ab+16b2.
(5a-2b)2
None of these
(5a-4b)2
(5a-3b)2

 Q 2: Factorize, 9a2b2-24abc+16c2.
None of these
(3ab-4c)2
(3ab-2c)2
(3ab-3c)2

Q 3: Factorize, 81a2-72ab+16b2.
(9a-4b)2
(9a+4b)2
(9a-3b)2
None of these

 Q 4: Factorize, 9a2-42ab+49b2.
(9a-7b)2
(3a+7b)2
None of these
(3a-7b)2

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 Question 6: This question is available to subscribers only!


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