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

Q 2: If (x+1/x) = 9 find x2+1/x2.
75
69
89
79

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

Q 4: If x - 1/x = 3, find the value of x2+1/x2 and x4+1/x4.
117
119
115
113

Q 5: Find the product of (x+3)(x+3).
x2+6x+9
None of these
x2+3x+9
x2-6x+9

Q 6: Find the value of (58)2 using formula.
3354
3374
3384
3364

Q 7: Find the product of (x+2)(3x+5).
None of these
3x2+9x+10
3x2-11x+10
3x2+11x+10

Q 8: (6x2+7x-5)(5x) = _____?
30x3-35x2-25x
30x3+30x2-25x
30x3+35x2-25x
30x3+35x-25x

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Question 10: This question is available to subscribers only!


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