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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.51 Special Products and Expansions Review Test

Q 1: Factorise 14x2y+21xy2+49xyz.
2xy(7x+3y+7z)
3xy(2x+7y+7z)
7xy(2x+3y+7z)

Q 2: (x-3)2 -64 = _____?
(x+5)(x-11)
(x-5)(x-11)
(x+5)(x+11)

Q 3: (9x3-7x2-6x+9)(7x) = _____?
65x4-41x3-42x2+60
63x4-49x3-42x2+63
16x4-49x3-42x2+33
63x4-49x3-42x2+63x

Q 4: Find the HCF of the 14ab2, 28b2c3 and 56ab2c.
14ab2
14ab2c
None of these
14b2

Q 5: (x+9)2 = _____?
x2+18x+81
x2+18x+18
x2+81x+81

Q 6: Find the value of 102*98 using formula.
9996
9976
9986

Q 7: Find the value of (99)2 using formula.
6034
9801
3304

Q 8: Multiply (6x+7) with (2y+3).
12xy+18x+14y+21
12xy+18x+14y+20
12xy+18y+14x+21

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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