Grade 8 - Mathematics 7.51 Polynomials Review Test

Q 1: Divide (a^{4}+a^{3}+6a^{2}+9a+7) by (a^{2}+a+2). Quotient=(a^{2}-4) and Remainder=(5a-1) Quotient=(a^{2}+4) and Remainder=(5a-1) Quotient=(a^{2}+4) and Remainder=(5a+1) None of these

Q 3: Find the product of (2x+2y+2z) (4x^{2}+4y^{2}+4z^{2}-4xy-4yz-4xz). 8x^{3}+8y^{3}+z^{3}-12xyz None of these 8x^{3}+8y^{3}+z^{3}-24xyz 8x^{3}+8y^{3}-z^{3}-24xyz

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

Q 5: If x - 1/x = 3, find the value of x^{2}+1/x^{2} and x^{4}+1/x^{4}. 119 115 117 113

Q 6: If x+y = 8, xy = 12, find the value of x^{2}+y^{2}. 44 40 46 42

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