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Grade 8 - Mathematics
7.51 Polynomials Review Test

Q 1: Find the value of (31)2 using formula.
941
961
971
951

Q 2: If x-1/x = 10, find the value of x3-1/x3.
1040
1030
1050
1060

Q 3: If x+1/x = 4, find the value of x3+1/x3.
54
56
52
58

Q 4: Find the product of (x-3)(x-5)(x+7).
None of these
x3-x2-41x+105
x3-x2-41x+105
x3-x2-41x+105

Q 5: Divide (x2+7x+2) by (x+3).
Quotient=(x-4) and Remainder=0
Quotient=(x+4) and Remainder=2
Quotient=(x+4) and Remainder=0
Quotient=(x-4) and Remainder=2

Q 6: Find the product (7x+2y)(7x-2y).
49x2+4y2
None of these
49x2-4y2
49x2-2y2

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

Q 8: Find the product of (2x+2y+2z) (4x2+4y2+4z2-4xy-4yz-4xz).
None of these
8x3+8y3+z3-24xyz
8x3+8y3-z3-24xyz
8x3+8y3+z3-12xyz

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Question 10: This question is available to subscribers only!


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