54 Videos for "quadratic inequality"

Focus and Directrix of a Parabola  Concept
Math › Algebra 2 › Quadratic Equations and Inequalities
How to define the focus and directrix of a parabola. 
Graphing a Horizontal Parabola  Concept
Math › Algebra 2 › Quadratic Equations and Inequalities
How to graph a horizontal parabola in vertex form. 
Graphing a Horizontal Parabola  Problem 2
Math › Algebra 2 › Quadratic Equations and Inequalities
How to graph a horizontal parabola on the calculator. 
Introduction to Parabolas  Problem 4
Math › Algebra 2 › Quadratic Equations and Inequalities
How to write the equation for a parabola given specific points. 
Graphing a Horizontal Parabola  Problem 1
Math › Algebra 2 › Quadratic Equations and Inequalities
How to graph a horizontal parabola by completing the square. 
Focus and Directrix of a Parabola  Problem 1
Math › Algebra 2 › Quadratic Equations and Inequalities
How to find the equation of a parabola given the focus and directrix. 
Focus and Directrix of a Parabola  Problem 2
Math › Algebra 2 › Quadratic Equations and Inequalities
How to find the focus and directrix of a parabola in standard form. 
Finding the Vertex of a Parabola by Completing the Square  Concept
Math › Algebra 2 › Quadratic Equations and Inequalities
How to find the vertex of a parabola. 
Introduction to Parabolas  Problem 1
Math › Algebra 2 › Quadratic Equations and Inequalities
How to transform the graph of a parabola. 
Introduction to Parabolas  Problem 2
Math › Algebra 2 › Quadratic Equations and Inequalities
How to use vertex form to graph a parabola. 
Finding the Vertex of a Parabola by Completing the Square  Problem 1
Math › Algebra 2 › Quadratic Equations and Inequalities
How to find the vertex of a parabola by completing the square. 
Finding the Vertex of a Parabola by Completing the Square  Problem 2
Math › Algebra 2 › Quadratic Equations and Inequalities
How to find the vertex of a parabola by completing the square with a negative leading coefficient. 
Finding the Vertex of a Parabola by Completing the Square  Problem 3
Math › Algebra 2 › Quadratic Equations and Inequalities
How to find the vertex of a parabola by completing the square with a fractional leading coefficient. 
Finding the Domain of a Function  Problem 3
Math › Precalculus › Introduction to Functions
How to find the domain of a function defined by the square root of a quadratic expression.