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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: (6x2+7x-5)(5x) = _____?
30x3-35x2+20x
11x3+14x2+25x
30x3+35x2+25x
30x3+35x2-25x

Q 2: (4x+6)(7y+9) = _____?
Answer:

Q 3: (7x2-9x-5)(4x) = _____?
12x3-36x2+20x
28x3-36x2-20x
28x3-36x2+20x
11x3-16x2+25x

Q 4: 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 5: a(a+b) = ab + ac, is this statement is true for any pair of real numbers?
True
False

Q 6: x2-9 = (x-3)(x-3), is this statement is true for any pair of real numbers?
True
False

Q 7: (6x-7y) (6x+7y) = _____?
36x2+49y2
36x2-49y2

Q 8: (9x2+4).(x-2) = _____?
9x3-18x2-4x+8
9x3+18x2+4x-8
9x3-18x2+4x-8

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Question 10: This question is available to subscribers only!


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