vertex form

noun

a quadratic equation in the form y=a(x-h)²+k

Meanings

nounvertex form (countable and uncountable, plural vertex forms)

plural vertex forms

  1. countableuncountablealgebraa quadratic equation in the form y=a(x-h)²+k

Origin

Named because of its use in finding the vertex of a parabola: (h,k).

Full word history & related roots →
Cite this entry
APA

vertex form. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/vertex%20form

MLA

“vertex form.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vertex%20form. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “vertex form,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/vertex%20form.

Source: vertex form on Wiktionary, CC BY-SA 4.0.