# vertex   7 videos

• #### Finding the Vertex of a Parabola by Completing the Square

##### Algebra 2Quadratic Equations and Inequalities

How to find the vertex of a parabola.

vertex form completing the square parabola
• #### Finding Intercepts, Domain, Range and Vertex of a Parabola

##### Algebra 2Quadratic Equations and Inequalities

How to find the vertex, intercepts, domain and range of a quadratic graph.

• #### Graphing a Horizontal Parabola

##### Algebra 2Quadratic Equations and Inequalities

How to graph a horizontal parabola in vertex form.

parabola sideways horizontal
• #### Introduction to Parabolas

##### Algebra 2Quadratic Equations and Inequalities

How to talk about a parabola.

parabola vertex axis of symmetry
• #### Focus and Directrix of a Parabola

##### Algebra 2Quadratic Equations and Inequalities

How to define the focus and directrix of a parabola.

focus directrix parabola vertex
• #### Dilations of Quadratic Graphs

##### Algebra 2Quadratic Equations and Inequalities

How to graph parabolas that are wide or skinny or upside down without making a table of values.