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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.6 Factorization - II

Example:
Express 9a2 + 15ab as product of factors.
Solution:
To find factors first we find HCF of the terms, that is
Breaking each monomial simplest numerical literal factors, we get
9a2 = 3 * 3 * a * a
15ab = 3 * 5 * a * b
HCF of the terms = 3 * a = 3a
9a2 + 15ab = 3a * 3a + 3a * 5b (Since 3a is the HCF)
= 3a(3a + 5b)
Directions: Write the given terms as product of factors. Also write at least 10 examples of your own.
Q 1: Express 128x2 + 96xy as product of factors.
3x(32x+4y)
4x(32x+3y)
32x(4x+3y)

 Q 2: Express 18x2 + 9xy as product of factors.
2x(9x+y)
x(9x+2y)
9x(2x+y)

Question 3: This question is available to subscribers only!

 Question 4: This question is available to subscribers only!


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