quadratic formula
noun
: a formula that gives the solutions of the general quadratic equation ax2 + bx + c = 0 and that is usually written in the form x = (-b ± √(b2 − 4ac))/(2a)
Examples of quadratic formula in a Sentence
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Like the Pythagorean theorem, the quadratic formula helped with on-the-ground administrative matters.
—
Cody Cottier, Discover Magazine, 3 Dec. 2024
Quadratic Formula The quadratic formula, another algebraic staple, is one of the first truly intimidating mathematical structures that high-school students encounter.
—Cody Cottier, Discover Magazine, 3 Dec. 2024
The quadratic formula isn’t just something that teachers use to torture algebra students.
—Big Think, 24 June 2024
But solving the algebra dilemma can be more complex than solving the quadratic formula.
—Troy Closson, New York Times, 22 May 2024
Remember the quadratic formula?
—Dave Linkletter, Popular Mechanics, 28 Jan. 2022
Most high school students know how to solve quadratic equations, such as −x−3=0, using the quadratic formula.
—Quanta Magazine, 30 June 2022
That’s when students turn to the quadratic formula.
—Jonathan Corum, New York Times, 5 Feb. 2020
What algebra students currently learn Before students are presented with the quadratic formula, they’re taught a simpler method to solve certain equations.
—Jonathan Corum, New York Times, 5 Feb. 2020
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Cody Cottier, Discover Magazine, 3 Dec. 2024
Quadratic Formula The quadratic formula, another algebraic staple, is one of the first truly intimidating mathematical structures that high-school students encounter.
—Cody Cottier, Discover Magazine, 3 Dec. 2024
The quadratic formula isn’t just something that teachers use to torture algebra students.
—Big Think, 24 June 2024
But solving the algebra dilemma can be more complex than solving the quadratic formula.
—Troy Closson, New York Times, 22 May 2024
Remember the quadratic formula?
—Dave Linkletter, Popular Mechanics, 28 Jan. 2022
Most high school students know how to solve quadratic equations, such as −x−3=0, using the quadratic formula.
—Quanta Magazine, 30 June 2022
That’s when students turn to the quadratic formula.
—Jonathan Corum, New York Times, 5 Feb. 2020
What algebra students currently learn Before students are presented with the quadratic formula, they’re taught a simpler method to solve certain equations.
—Jonathan Corum, New York Times, 5 Feb. 2020
Cite this Entry
“Quadratic formula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadratic%20formula. Accessed 3 Mar. 2025.
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