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### Grade 8 - Mathematics7.51 Polynomials Review Test

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### Grade 8 - Mathematics7.51 Polynomials Review Test

 Q 1: If (x+1/x) = 9 find x2+1/x2.79896975 Q 2: (2x2-5).(7x+1) = _____?14x3-2x2-35x-514x3+2x2-35x-514x3+2x2+35x-514x3+2x2-35x+5 Q 3: Divide [(5a)3-(6b)3] by (5a-6b).25a2+30ab+36b225a2-30ab+36b225a3+30ab+36b325a3+30ab+36b2 Q 4: (6x2+7x-5)(5x) = _____? 30x3+30x2-25x30x3+35x2-25x30x3-35x2-25x30x3+35x-25x Q 5: Divide (x2+7x+2) by (x+3).Quotient=(x-4) and Remainder=2Quotient=(x+4) and Remainder=0Quotient=(x+4) and Remainder=2Quotient=(x-4) and Remainder=0 Q 6: Divide 6a4 by 2a2.3a23aNone of these3a3 Q 7: (x+1)2 = _____?x2-2x+1x2+2x-1x2+2xy+1x2+2x+1 Q 8: Find the product of (2x+2y+2z) (4x2+4y2+4z2-4xy-4yz-4xz).8x3+8y3+z3-24xyzNone of these8x3+8y3-z3-24xyz8x3+8y3+z3-12xyz Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!