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Grade 8 - Mathematics
7.51 Polynomials Review Test

Q 1: Find the product of (x+2)(3x+5).
None of these
3x2+11x+10
3x2+9x+10
3x2-11x+10

Q 2: (7x+1)(6y-3) = _____?
42xy-21xy+6y-3
42xy-21x+6y-3
42xy-21x-3
42x-21x+6y-3

Q 3: Find the value of (31)2 using formula.
971
941
951
961

Q 4: (x+1)2 = _____?
x2-2x+1
x2+2x+1
x2+2xy+1
x2+2x-1

Q 5: Divide [(5a)3-(6b)3] by (5a-6b).
25a2+30ab+36b2
25a2-30ab+36b2
25a3+30ab+36b3
25a3+30ab+36b2

Q 6: Find the product of (x-3)(x-5)(x+7).
x3-x2-41x+105
None of these
x3-x2-41x+105
x3-x2-41x+105

Q 7: If x + 1/x = 5, find the value of x2+1/x2 and x4+1/x4.
567
547
527
537

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

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Question 10: This question is available to subscribers only!


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