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Finding The Focus and Directrix of a Parabola - Conic Sections
By The Organic Chemistry Tutor
This video tutorial provides a basic introduction into parabolas and conic sections. It explains how to graph parabolas in standard form and how to graph parabolas with the focus and directrix. The vertex of the parabola can be identified by analyzing the equation in standard form.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal determines how many solutions the following system of equations has by considering its graph: 10x-2y=4 and 10x-2y=16.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal determines how many solutions the following system of equations has by considering its graph: 10x-2y=4 and 10x-2y=16.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal is given three lines on the coordinate plane, and identifies one system of two lines that has a single solution, and one system that has no solution.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal is given three lines on the coordinate plane, and identifies one system of two lines that has a single solution, and one system that has no solution.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal is given three lines on the coordinate plane, and identifies one system of two lines that has a single solution, and one system that has no solution.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal is given three lines on the coordinate plane, and identifies one system of two lines that has a single solution, and one system that has no solution.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal determines how many solutions the following system of equations has by considering its graph: 10x-2y=4 and 10x-2y=16.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal is given three lines on the coordinate plane, and identifies one system of two lines that has a single solution, and one system that has no solution.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal determines how many solutions the following system of equations has by considering its graph: 10x-2y=4 and 10x-2y=16.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal is given three lines on the coordinate plane, and identifies one system of two lines that has a single solution, and one system that has no solution.
Analyze the solutions of systems of equations graphically
By Khan Academy
Sal determines how many solutions the following system of equations has by considering its graph: 10x-2y=4 and 10x-2y=16.
Equivalent systems of equations
By Khan Academy
Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.
Equivalent systems of equations
By Khan Academy
Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.
Equivalent systems of equations
By Khan Academy
Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.
Equivalent systems of equations
By Khan Academy
Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.
Equivalent systems of equations
By Khan Academy
Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.
Understanding the process for solving quadratic equations
By Khan Academy
Sal analyzes a given solution of a quadratic equation, and finds where and what was the error in that process.
Equivalent systems of equations
By Khan Academy
Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.
Equivalent systems of equations
By Khan Academy
Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.