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www.varsitytutors.com/hotmath/hotmath_help/topics/vertex-of-a-parabola

y=ax2+bx+c . But the equation for a parabola can also be written in "vertex form": y=a(x−h)2+k. In this equation, the vertex of the parabola is the point (h,k) .

... in the examples). Also, if a is negative, then the parabola is upside-down. ... Find the vertex of y = 3x2 + x – 2 and graph the parabola. To find the vertex, I look  ...

Sal rewrites the equation y=-5x^2-20x+15 in vertex form (by completing the square) in order to identify the vertex of the corresponding parabola.

Jul 9, 2013 ... MIT grad explains how to find the vertex of a parabola. This is a simple, fast way to identify the vertex, taken either from the equation of a ...

www.mathwarehouse.com/geometry/parabola/vertex-of-a-parabola.php

Vertex of a parabola, explained with pictures and examples and formulas. ... The vertex of a parabola is the highest or lowest point, also known as the maximum ...

The vertex form of a quadratic function is given by f (x) = a(x - h)2 + k, ... (h, k) is the vertex of the parabola, and x = h is the axis of symmetry. • the h represents a ...