cubic equation
noun
: a polynomial equation in which the highest sum of exponents of variables in any term is three
Examples of cubic equation in a Sentence
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And there was the discovery of Mandelbrot sets in other contexts entirely, as in the search for numerical solutions to cubic equations.
—
Quanta Magazine, 26 Jan. 2024
Solving quadratics with the power of symmetry might embolden us to try a similar tactic on cubic equations.
—Patrick Honner, Quanta Magazine, 24 Mar. 2023
Bombelli found solvable cubic equations for which the del Ferro-Tartaglia-Cardano formula nonetheless required computing the square root of a negative number.
—Marc-Olivier Renou, Scientific American, 13 Mar. 2023
This is the cubic formula, which, like the quadratic formula, solves every cubic equation.
—Patrick Honner, Quanta Magazine, 24 Mar. 2023
From his deathbed, Fiore's mentor, Scipione del Ferro, had given Fiore a formula for solving equations of the form x3 + ax = b, also known as cubic equations.
—Marc-Olivier Renou, Scientific American, 13 Mar. 2023
Alpöge, Bhargava and Shnidman needed what elliptic curve researchers call a converse theorem — something that takes information about a cubic equation and uses it to construct rational solutions.
—Erica Klarreich, Quanta Magazine, 29 Nov. 2022
Thus, Cardano was able to solve every cubic equation.
—Quanta Magazine, 30 June 2022
All three of these numbers satisfy the cubic equation x3 – 1 = 0.
—Quanta Magazine, 23 Sep. 2021
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Quanta Magazine, 26 Jan. 2024
Solving quadratics with the power of symmetry might embolden us to try a similar tactic on cubic equations.
—Patrick Honner, Quanta Magazine, 24 Mar. 2023
Bombelli found solvable cubic equations for which the del Ferro-Tartaglia-Cardano formula nonetheless required computing the square root of a negative number.
—Marc-Olivier Renou, Scientific American, 13 Mar. 2023
This is the cubic formula, which, like the quadratic formula, solves every cubic equation.
—Patrick Honner, Quanta Magazine, 24 Mar. 2023
From his deathbed, Fiore's mentor, Scipione del Ferro, had given Fiore a formula for solving equations of the form x3 + ax = b, also known as cubic equations.
—Marc-Olivier Renou, Scientific American, 13 Mar. 2023
Alpöge, Bhargava and Shnidman needed what elliptic curve researchers call a converse theorem — something that takes information about a cubic equation and uses it to construct rational solutions.
—Erica Klarreich, Quanta Magazine, 29 Nov. 2022
Thus, Cardano was able to solve every cubic equation.
—Quanta Magazine, 30 June 2022
All three of these numbers satisfy the cubic equation x3 – 1 = 0.
—Quanta Magazine, 23 Sep. 2021
Cite this Entry
“Cubic equation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cubic%20equation. Accessed 27 Feb. 2025.
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