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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: Find the value of (249)2.
62001
62601
62021

Q 2: Find the square root of 1936x2y4.
44xy2
42xy4
48xy2

Q 3: Factorize cp + 6dq - 2cq - 3dp.
(c+3d)(p-2q)
(c-3d)(p+2q)
(c-3d)(p-2q)

Q 4: Divide (4a4+2a3-12a2-9a+9) by (2a2-a+4).
Quotient=(2a2+2a-9) and Remainder=(-26a+45)
Quotient=(2a2+2a-9) and Remainder=(-26a-45)
Quotient=(2a2+2a+9) and Remainder=(-26a+45)

Q 5: Find the value of (82)2 using formula.
1681
2916
6724

Q 6: Factorise 14x2y+21xy2+49xyz.
2xy(7x+3y+7z)
3xy(2x+7y+7z)
7xy(2x+3y+7z)

Q 7: Divide [(5a)3-(6b)3] by (5a-6b).
25a3+30ab+36b3
25a2-30ab+36b2
25a2+30ab+36b2

Q 8: Divide [(15a)3-(6b)3] by (15a-6b).
225a2+90ab+36b2
225a3+90ab+36b3
225a2-90ab+36b2

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