# vertex   34 videos

• #### The Vertex and Axis of Symmetry

How to find the vertex and axis of symmetry of a parabola.

vertex axis of symmetry
• #### 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 the Vertex of a Parabola by Completing the Square

##### PrecalculusEquations of Lines, Parabolas and Circles

How to find the vertex of a parabola.

vertex form completing the square parabola
• #### Vertex and Diagonals

##### GeometryGeometry Building Blocks

How the vocabulary word vertex applies to different objects in Geometry.

vertex isosceles triangle polygon diagonal cone pyramid prism
• #### 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.

• #### Finding Intercepts, Domain, Range and Vertex of a Parabola

##### PrecalculusEquations of Lines, Parabolas and Circles

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
• #### Vertical and Horizontal Shifts of Quadratic Graphs

How to graph parabolas with horizontal and vertical shifts without making a table of values.

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

vertex side coplanar
• #### Vertical Angles

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

How to define and identify vertical angles.

vertex intersecting lines congruent
• #### Constructing a Median

##### GeometryConstructions

How to define a median in a triangle.

midpoint vertex segment median
• #### 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
• #### Introduction to Parabolas

##### PrecalculusEquations of Lines, Parabolas and Circles

How to talk about a parabola.

parabola vertex axis of symmetry
• #### Dilations of Quadratic Graphs

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

• #### 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.

• #### Special Isosceles Triangle Properties

##### GeometryTriangles

How to identify a segment from the vertex angle in an isosceles triangle to the opposite side.

isosceles triangle angle bisector altitude median
• #### Applications of Quadratic Equations

How to approach word problems that involve quadratic equations.

projectile height geometry word problem vertex
• #### Angles: Types and Labeling

##### GeometryGeometry Building Blocks

How to label an angle and how to differentiate between acute, right, obtuse, and straight angles.

angle acute right obtuse straight vertex side
• #### Number of Diagonals in a Polygon

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

How to determine the number of diagonals in a polygon.

vertex diagonal non consecutive vertices polygon