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Grade 7 - Mathematics
4.51 Special Products and Expansions Review Test


Name: ___________________

Date:___________________

Grade 7 - Mathematics
4.51 Special Products and Expansions Review Test

Q 1: Divide 16x2y by 4x.
4xy2
4x2y
3xy
4xy

Q 2: Divide (225x2 + 125x) by 25x.
8x + 4
9x + 5
9x - 4
9x - 5

Q 3: Factorise (4a-b)(3a+2y) - (7a+b)(3a+2y).
(3a)(3a+2y)
(-3a-2b)(3a+2y)
(3a-2b)(3a+2y)

Q 4: 2x3-9x2+2x-1, find the value of given expression when x=3.
-23
22
-22
23

Q 5: (17x+9)(4y+7) = _____?
68x+129x+36y+63
68x+119x+36y+63
68x+119x+34y+63

Q 6: Factorise 81x2 - 90x + 25.
(9x+5)(9x+5)
(9x-5)(9x-5)
(9x+5)(9x-5)

Q 7: 25x2 + ..... + 4y4 .
20xy2
5x2
10xy2
15xy2

Q 8: (4x+6)(7y+9) = _____?
Answer:

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