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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
7.51 Polynomials Review Test

Q 1: Divide [(3a)3 + (3b)3] by (3a+3b).
None of these
9a2+9ab+9b2
9a2-9ab-9b2
9a2-9ab+9b2

Q 2: (x-1)2 = _____?
x2-2x-1
x2+2x+1
x2-2x+1
None of these

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

Q 4: Find the value of (31)2 using formula.
951
941
961
971

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

Q 6: If a+b+c = 6 and a2+b2+c2 = 20, find the value of ab+bc+ca.
2
6
8
4

Q 7: Divide 45x3y4 by 9x3y3.
5y2
None of these
5y3
5y

Q 8: 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

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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