XAT 2014Quantitative AbilityQuadratic EquationsMEDIUM+1 / −0.25

A polynomial y= $ax^{3} + bx^{2 }+ cx + d$ intersects x-axis at 1 and -1, and y-axis at 2. The value of b is:

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XAT 2014Quantitative AbilityQuadratic EquationsMEDIUM+1 / −0.25

Select an option to reveal the answer and explanation

Practice the full paper

Attempt XAT 2014 Question Paper with real exam interface and instant grading.

A polynomial y=ax3+bx2+cx+dax^{3} + bx^{2 }+ cx + dax3+bx2+cx+d intersects x-axis at 1 and -1, and y-axis at 2. The value of b is: