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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: 16x2 - 81y2 = _____?
(4x-9y)(4x-9y)
(4x+9y)(4x-9y)
(4x+9y)(4x+9y)

Q 2: 25x2 - 40xy2 + .....
12y3
16y4
18y4
16y2

Q 3: Multiply (4x+3) with (2x-3).
8x2-6x+9
8x2-6x-9
8x2+6x-9

Q 4: (6x2+7x-9)(11x) = _____?
77x3+66x2-94x
66x3+76x2-94x
66x3+77x2-99x
55x3+66x2-44x

Q 5: Factorise 225x2 + 270x + 49.
(15x+7)(15x-7)
(15x-7)(15x-7)
(15x+7)(15x+7)

Q 6: Divide (9a4-6a3+18a2-2a-5) by (3a2-2a+2).
Quotient=(3a2-4) and Remainder=(6a-13)
Quotient=(3a2+4) and Remainder=(6a+13)
Quotient=(3a2+4) and Remainder=(6a-13)

Q 7: Multiply (6x2+7x-1) with x2.
6x4+7x3-x2
6x4+7x3+x2
6x4-7x3-x2

Q 8: (a+3b)2 - 16b2 = _____?
(a+7b)(a-7b)
(a+4b)(a-4b)
(a+7b)(a-b)

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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