complex roots 56 videos

Finding the Roots of a Complex Number
Precalculus Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the cube roots of a complex number.
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More Roots of Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to find the roots of a complex number quickly using four simple guidelines.
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The Complex Plane
Precalculus Polar Coordinates and Complex Numbers
How to plot complex numbers on the complex plane.
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Cube Roots
Algebra Radical Expressions and Equations
How to find the cube root of a number.
cube root 
Adding and Subtracting Complex Numbers
Algebra 2 Roots and Radicals
How to add and subtract complex numbers.
adding and subtracting complex numbers 
Simplifying Complex Fractions
Algebra 2 Rational Expressions and Functions
How to simplify a complex fraction.
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Rational Roots Theorem
Algebra 2 Factoring
How to use the rational roots theorem.
rational roots theorem 
Rationalizing the Denominator with Higher Roots
Algebra 2 Roots and Radicals
How to rationalize the denominator with a higher root.
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Estimating Square Roots
Algebra Radical Expressions and Equations
How to find square roots of integers.
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Dividing Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to divide two complex numbers in trigonometric form.
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Multiplying Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to multiply two complex numbers in trigonometric form.
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Multiplying Radicals of the Same Root
Algebra 2 Roots and Radicals
How to multiply radicals of the same root together.
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Trigonometric Form of Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form.
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Multiplying Radicals of Different Roots
Algebra 2 Roots and Radicals
How to multiply radicals together when they are different roots.
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Square Root Operations
Geometry Pythagorean Theorem
How to simplify square roots using two different methods.
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Square Root Operations
Trigonometry Pythagorean Theorem
How to simplify square roots using two different methods.
Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots 
Solving Quadratic Equations Using Square Roots
Algebra Quadratic Equations and Functions
How to solve quadratic equations using square roots.
square root 
Solving Quadratic Equations Using Square Roots
Algebra 2 Quadratic Equations and Inequalities
How to solve quadratic equations using square roots.
square root 
Square Roots
PreAlgebra Decimals and Percents
Understanding squaring and square roots, including decimal approximations

Multiplying Complex Numbers
Algebra 2 Roots and Radicals
How to multiply imaginary numbers.
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