the quadratic formula 92 videos

The Quadratic Formula
Algebra Quadratic Equations and Functions
How to use the quadratic formula to solve quadratic equations.
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Deriving the Quadratic Formula
Algebra 2 Quadratic Equations and Inequalities
How to derive the quadratic formula by completing the square.
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Empirical Formula  Molecular Formula
Chemistry Chemical Reactions
Understanding the differences between empirical and molecular formulas.
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Exploring Quadratic Graphs
Algebra Quadratic Equations and Functions
How to make a table to graph any quadratic equation.
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Solving Quadratic Equations in Disguise
Algebra 2 Quadratic Equations and Inequalities
How to solve a complicated looking quadratic equation by substitution.
solving a quadratic factoring patterns 
The DoubleAngle Formulas
Trigonometry Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the doubleangle formulas.
the sine of a sum formula the cosine of a sum formula the sine double angle formula the cosine double angle formula 
The DoubleAngle Formulas
Precalculus Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the doubleangle formulas.
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The Cosine Addition Formulas
Trigonometry Advanced Trigonometry
How to derive the cosine of a difference formula.
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The Sine Addition Formulas
Trigonometry Advanced Trigonometry
How to derive the sine of a sum formula.
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The Cosine Addition Formulas
Precalculus Advanced Trigonometry
How to derive the cosine of a difference formula.
the unit circle the law of cosines the distance formula cosine of a difference formula 
The Sine Addition Formulas
Precalculus Advanced Trigonometry
How to derive the sine of a sum formula.
cosine of a difference formula the cofunction identities the sine of a sum formula 
Midpoint Formula
Algebra 2 Graphs of Linear Equations
How to find the midpoint of two points.
midpoint formula 
Solving Formulas
Geometry Area
How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height.
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Using the Sine and Cosine Addition Formulas to Prove Identities
Trigonometry Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the cofunction identities.
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Using the Sine and Cosine Addition Formulas to Prove Identities
Precalculus Advanced Trigonometry
How to use the sine and cosine addition formulas to prove the cofunction identities.
the cosine addition formulas the sine addition formulas 
Overview of the Different Methods of Solving a Quadratic Equation
Algebra 2 Quadratic Equations and Inequalities
How to know which method to use when solving a quadratic equation.
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Graphing a Quadratic Inequality
Algebra 2 Quadratic Equations and Inequalities
How to graph a quadratic inequality.
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Vocabulary of Quadratic Polynomials
Algebra Quadratic Equations and Functions
How to label the roots of a quadratic polynomial, solutions to a quadratic equation, and xintercepts or roots of a quadratic function.
roots x intercepts solutions excluded values zeros function 
Vocabulary of Quadratic Polynomials
Algebra 2 Quadratic Equations and Inequalities
How to label the roots of a quadratic polynomial, solutions to a quadratic equation, and xintercepts or roots of a quadratic function.
roots x intercepts solutions excluded values zeros function 
The Euler Formula
Precalculus Polar Coordinates and Complex Numbers
How to use the Euler Formula to convert a complex number from the exponential form to rectangular form.
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