• #### Set Operation: Union - Concept

##### Math›Algebra 2›Linear Inequalities
How to define union.
• #### 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.
• #### The Discriminant of a Quadratic Equation - Problem 4

##### Math›Algebra 2›Quadratic Equations and Inequalities
Finding imaginary solutions for a quadratic equation by interpreting the discriminant and using the quadratic formula
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• #### Solving Quadratic Equations by Factoring - Problem 20

##### Math›Algebra 2›Quadratic Equations and Inequalities
Finding the zeros of a polynomial by factoring
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• #### Focus and Directrix of a Parabola - Problem 3

##### Math›Algebra 2›Quadratic Equations and Inequalities
Using the focus or vertex and directrix to write the equation for a parabola that opens horizontally
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• #### Focus and Directrix of a Parabola - Problem 5

##### Math›Algebra 2›Quadratic Equations and Inequalities
Finding the focus and directrix and sketch of a parabola that opens vertically from the equation
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• #### Solving Linear Equations - Problem 2

##### Math›Precalculus›Linear Equations and Inequalities
How to solve a contradictory linear equation in one variable.
• #### Dilations of Quadratic Graphs - Problem 2

##### Math›Algebra 2›Quadratic Equations and Inequalities
Graphing a parabola from vertex form when the a value is not one
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• #### Solving for a Parameter in a Linear Equation - Concept

##### Math›Precalculus›Linear Equations and Inequalities
How to solve for a parameter in a simple linear equation.
• #### Focus and Directrix of a Parabola - Problem 9

##### Math›Algebra 2›Quadratic Equations and Inequalities
Using the focus or vertex and directrix to write the equation for a parabola that opens vertically
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• #### 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.
• #### The Discriminant of a Quadratic Equation - Concept

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to use the discriminant to know the number and type of solutions to a quadratic.
• #### Solving a Quadratic by Completing the Square - Concept

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to complete the square.
• #### Solving Quadratic Equations in Disguise - Concept

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to solve a complicated looking quadratic equation by substitution.
• #### Solving a Quadratic by Completing the Square - Problem 4

##### Math›Algebra 2›Quadratic Equations and Inequalities
Using completing the square to solve a quadratic equation when "a" is one and "b" is even
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• #### Graphing a Horizontal Parabola - Problem 2

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to graph a horizontal parabola on the calculator.
• #### Solving Quadratic Equations in Disguise - Problem 1

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to solve a quadratic with fractional exponents.
• #### Solving Quadratic Equations in Disguise - Problem 3

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to solve a difference of two squares by substitution.