YouTube on MSNOpinion

Write the equation in standard form by completing the square to find vertex, focus and directrix

Learn how to graph a horizontal parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to ...
YouTube on MSNOpinion

Learning multiple characteristics of a parabola from the equation in vertex form

We will learn how to graph a quadratic in vertex form and graph a quadratic in standard form by completing the square and ...
BBC

Determine the equation of a quadratic function from its graph

The graph below has a turning point (3, -2). Write down the nature of the turning point and the equation of the axis of symmetry. For the parabola \(y=(x+6)(x-4)\) determine the coordinates and nature ...
BBC

Solving quadratic equations - Eduqas

The coordinates of the turning point and the equation of the line of symmetry can be found by writing the quadratic expression in completed square form. Find the equation of the line of symmetry and ...
Quanta Magazine

The Symmetry That Makes Solving Math Equations Easy

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...