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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 27x3+8y3.
None of these
(3x+2y)(9x2+6xy+4y2)
(3x+2y)(9x2-6xy+4y2)
(3x+2y)(9x2-6xy+2y2)

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

Q 3: If x + 1/x = 5, find the value of x2+1/x2 and x4+1/x4.
537
547
527
567

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

Q 5: (x-1)2 = _____?
x2+2x+1
x2-2x-1
None of these
x2-2x+1

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

Q 7: (2x2-5).(7x+1) = _____?
14x3+2x2-35x+5
14x3+2x2+35x-5
14x3-2x2-35x-5
14x3+2x2-35x-5

Q 8: Divide 6a4 by 2a2.
3a
3a3
None of these
3a2

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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