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Grade 8 - Mathematics
7.51 Polynomials Review Test


Name: ___________________

Date:___________________

Grade 8 - Mathematics
7.51 Polynomials Review Test

Q 1: Expand (x-2y)3.
x3-6x2y+12xy2+8y3
None of these
x3-6x2y+12xy2-8y3
x3-6x2y+6xy2-8y3

Q 2: Divide 45x3y4 by 9x3y3.
5y
5y3
None of these
5y2

Q 3: (5x+2).(5x+3) = _____?
25x3+25x+6
25x2+25x+6
None of these
25x2-25x+6

Q 4: (7x+1)(6y-3) = _____?
42x-21x+6y-3
42xy-21x+6y-3
42xy-21x-3
42xy-21xy+6y-3

Q 5: If a-b = 6 and ab = 91, find the value of a3-b3.
1844
1874
1854
1864

Q 6: Divide (a4+a3+6a2+9a+7) by (a2+a+2).
Quotient=(a2+4) and Remainder=(5a-1)
Quotient=(a2+4) and Remainder=(5a+1)
Quotient=(a2-4) and Remainder=(5a-1)
None of these

Q 7: Expand (x+2y)3 .
x3+6x2y+12xy2+8y2
x3+6x2y+12xy2+8y3
None of these
x3+6x2y+12xy2+6y3

Q 8: If x+y = 8, xy = 12, find the value of x2+y2.
44
46
42
40

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Question 10: This question is available to subscribers only!


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