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Learn how to find the vertex of a parabola using the vertex formula, which is derived from completing the squares. See examples of how to apply the formula to different equations and graphs of parabolas.
The vertex formula is used to find the vertex of a parabola. There are two ways to find the vertex of a parabola. Vertex, (h, k) = (-b/2a, -D/4a) Where “D” is the discriminant where D = b2 – 4ac. “h” and “k” are the coordinates of the vertex. The above formula can also be written as follows:
Learn how to use the quadratic formula to find the vertex of a parabola in standard form. Watch a video, see examples, and read comments from other learners.
Learn how to write a quadratic function in vertex form, which highlights the coordinates of the vertex of the graph. Watch a video and see examples, tips, and questions from other learners.
La fórmula para hallar el valor x del vértice de una ecuación cuadrática es x = -b/2a. Introduce los valores pertinentes para calcular x. Sustituye los valores de a y de b y resuelve: x=-b/2a. x=- (9)/ (2) (1) x=-9/2. 3. Sustituye x en la ecuación original por su valor numérico para hallar el valor de y.
Learn how to use the vertex formula to find the x coordinate of the vertex of a quadratic function. See examples, practice problems and video explanations on how to graph parabolas using the vertex formula.
Reescribimos la ecuación y=-5x^2-20x+15 en forma canónica (al completar el cuadrado) para identificar el vértice de la parábola correspondiente. Creado por Sal Khan y Monterey Institute for Technology and Education. Preguntas. Sugerencias y agradecimientos. ¿Quieres unirte a la conversación? Inicia sesión. Ordenar por: Más votados. Cristina Mateo.
