# Quadratic Formula and Complex Sums

## Conversion between a + bi and (a, b), (r, theta), and rcistheta.

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## Quadratic Formula and Complex Sums

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## Solving Quadratic Equations with Complex Number Solutions

This lesson covers solving quadratic equations when the answers are complex numbers.
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## Complex Roots of Quadratic Functions

This concept explores finding roots of quadratic functions when the roots are complex roots.
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## Solving Quadratic Equations with Complex Number Solutions - Using Square Roots

This lesson covers solving quadratic equations when the answers are complex numbers.
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## Adding and Subtracting Complex Numbers

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## Quadratic Formula and Complex Sums

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## Complex Number Solutions

by EPISD Algebra 2 Team //at grade
This lesson covers solving quadratic equations when the answers are complex numbers.
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## SLT 4 Explore complex numbers and their importance in mathematics.

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## SLT 8 Solve quadratic equations with real coefficients that have complex solutions.

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## Solving Quadratic Equations with Complex Number Solutions

This lesson covers solving quadratic equations when the answers are complex numbers.
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## Solving Quadratic Equations with Complex Number Solutions (extension)

This lesson covers solving quadratic equations when the answers are complex numbers.
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• PLIX

## Quadratic Formula and Complex Sums: Vertical and Horizontal Shift 2

Quadratic Formula and Complex Sums Interactive
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• PLIX

## Quadratic Formula and Complex Sums: Vertical and Horizontal Shift

Quadratic Formula and Complex Sums Interactive
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• Video

by CK-12 //basic
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## Adding and Subtracting Complex Numbers

Provides examples of how to add and subtract complex numbers.
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## Operations - Overview

by CK-12 //basic
Overview
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## Complex Solutions of a Quadratic Equation - Overview

by CK-12 //basic
Overview
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## Operations - Example 1

by CK-12 //basic
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## Operations - Example 2

by CK-12 //basic
Multiplying Complex Numbers
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• Study Guide

## Imaginary and Complex Numbers

Add, subtract, multiply, and divide complex numbers, as well as identify complex roots of quadratic functions.
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• Study Guide

## Imaginary and Complex Numbers

Add, subtract, multiply, and divide complex numbers, as well as identify complex roots of quadratic functions.
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• Flashcards

## Solving Quadratic Equations with Complex Number Solutions

by Kyle Bardman //basic
These flashcards will help you to better understand Algebra II with Trigonometry Concepts.
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