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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: 7a2 and 35a, find the HCF of the given monomials.
7a
3a
4a
5a

Q 2: (4x+3)2 = _____?
16x2+24x+9
4x2+24x+9
16x2-24x+9

Q 3: Divide (6x3-22x+9) by (2x+4).
Quotient=(3x2-6x+1) and Remainder=15
None of these
Quotient=(3x2-6x+1) and Remainder=0
Quotient=(3x2-6x+1) and Remainder=5

Q 4: Factorise 25x2 - 1.
(5x+1)(5x+1)
(5x+1)(5x-1)
(5x-1)(5x-1)

Q 5: (8x+5)2 = _____?
64x3+80x+25
64x2+80x+25
64x2+86x+25

Q 6: Factorise 256x2 - 1.
(16x+1)(16x+1)
(16x-1)(16x-1)
(16x+1)(16x-1)

Q 7: 5x3+6x2-9x+2, find the value of given expression when x=3.
162
164
160
166

Q 8: If x=6, then 3x2+4x-5 = 127
False
True

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