1 4X-5y = 38x-huy-o3) Form a quadratic polynomial whose zeros are 7 an – InterviewSolution

1.

1 4X-5y = 38x-huy-o3) Form a quadratic polynomial whose zeros are 7 and -4.

Answer»

(x+7)(x+4)= x^2+11×+28=0

sum of zeros= 7+(-4)=7-4=3product of zeros= 7×(-4)=-28polynomial = x^2-x(sum of zeros)+ product of zerosx^2-x(3)+(-28)x^2-3x-28

4x-5y=3; x=4; 4(4)-5y=3; 16-3=5y; 13=5y; y=13/5

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