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

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=0
Quotient=(x+4) and Remainder=2

Q 3: Find the product of (2x+2y+2z) (4x2+4y2+4z2-4xy-4yz-4xz).
8x3+8y3+z3-24xyz
8x3+8y3+z3-12xyz
None of these
8x3+8y3-z3-24xyz

Q 4: (7x+1)(6y-3) = _____?
42x-21x+6y-3
42xy-21x-3
42xy-21xy+6y-3
42xy-21x+6y-3

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

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

Q 7: (6x2+7x-7)(-5x) = _____?
-30x3-35x2+35x
-30x3+35x2+35x
None of these
30x3-35x2+35x

Q 8: If (x+1/x) = 9 find x2+1/x2.
69
79
89
75

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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