MATH / ALGEBRA
Evaluate a cubic polynomial at a selected real input using Horner-equivalent arithmetic. Review the equation, substituted values, result context, and modelling limits in one guided workspace.
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Evaluate a cubic polynomial at a selected real input using Horner-equivalent arithmetic. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
P(x) = ax^3 + bx^2 + cx + d
What you provide
What you receive
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The coefficients and input are interpreted as real numbers.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors