quadratic expression

[kwɑˈdrætɪk ɪkˈsprɛʃən]
nounpl: quadratic expressions
expressão quadrática
1. A polynomial expression of the second degree, typically written in the form ax² + bx + c, where a, b, and c are constants and a ≠ 0
The quadratic expression 2x² + 3x + 1 can be factored into (2x + 1)(x + 1).
A expressão quadrática 2x² + 3x + 1 pode ser fatorada em (2x + 1)(x + 1).
2. An algebraic expression containing a variable raised to the power of two as its highest degree term
We need to solve the quadratic expression x² - 5x + 6 = 0.
Precisamos resolver a expressão quadrática x² - 5x + 6 = 0.
Quadratic expressions are fundamental in mathematics education in both Brazil and the USA, typically introduced in 8th-9th grade algebra. The term is used uniformly across both countries in academic and professional mathematical contexts with no significant regional variations.
Synonyms / Sinônimos
quadratic polynomialsecond-degree polynomialtrinomial (when in three-term form)
Antonyms / Antônimos
linear expressioncubic expressionconstant expression

Regional Variations

General Brazilian Portuguese
expressão quadrática
Standard term used in mathematics education and textbooks
Portugal
expressão quadrática
Same as Brazilian Portuguese; universally understood in academic contexts
São Paulo
expressão de segundo grau
Alternative colloquial term sometimes used in educational contexts

Related Words

quadratic equationquadratic formulaparabolapolynomialcoefficientfactorization

Related Idioms & Phrases

complete the square
discriminant of a quadratic expression
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →