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) .

www.purplemath.com/modules/grphquad2.htm

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

www.khanacademy.org/math/algebra/quadratics/quad-standard-form-alg1/v/ex3-completing-the-square

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**.

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 ...

mathbitsnotebook.com/Algebra1/Quadratics/QDVertexForm.html

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 ...

virtualnerd.com/algebra-1/quadratic-equations-functions/graphing/graph-basics/vertex-example

The **vertex** of a quadratic **equation** is the minimum or maximum point of the ...
problem; skill; **vertex**; **parabola**; quadratic **function**; maximum; minimum; max; min
...

www.wikihow.com/Find-the-Vertex-of-a-Quadratic-Equation

The **vertex** of a quadratic **equation** or **parabola** is the highest or lowest point of
that **equation**. It lies on the plane of symmetry of the entire **parabola** as well; ...

www.ixl.com/math/algebra-2/find-the-vertex-of-a-parabola

Fun math practice! Improve your skills with free problems in '**Find the vertex of a**
**parabola**' and thousands of other practice lessons.