Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Complex Numbers

Add and Subtract Complex Numbers

2 videos

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Complex Numbers

Multiply Complex Numbers

5 videos

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Complex Numbers

Divide Complex Numbers

8 videos

VIDEOS 8

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Complex Numbers

Perform Operations with Square Roots of Negative Numbers

2 videos

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Complex Numbers

Solve Quadratic Equations with Complex Imaginary Solutions

5 videos

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Quadratic Functions

Recognize Characteristics of Parabolas

1 video

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Quadratic Functions

Graph Parabolas

11 videos

VIDEOS 11

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Quadratic Functions

Determine a Quadratic Function's Minimum or Maximum

3 videos

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Quadratic Functions

Problems Involving a Quadratic Function's Minimum or Maximum

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Polynomial Functions and Their Graphs

Identify Polynomial Functions

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Polynomial Functions and Their Graphs

Recognize Characteristics of Graphs of Polynomial Functions

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Polynomial Functions and Their Graphs

Determine End Behavior

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Polynomial Functions and Their Graphs

Use Factoring to Find Zeros of Polynomial Functions

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Polynomial Functions and Their Graphs

Identify Zeros and Their Multiplicities

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Polynomial Functions and Their Graphs

Use the Intermediate Value Theorem

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Polynomial Functions and Their Graphs

Understand the Relationship Between Degree and Turning Points

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Polynomial Functions and Their Graphs

Graph Polynomial Functions

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Dividing Polynomials, Remainder and Factor Theorems

Use Long Division to Divide Polynomials

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Dividing Polynomials, Remainder and Factor Theorems

Use Synthetic Division to Divide Polynomials

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Dividing Polynomials, Remainder and Factor Theorems

Evaluate a Polynomial Using the Remainder Theorem

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Dividing Polynomials, Remainder and Factor Theorems

Use the Factor Theorem to Solve a Polynomial Equation

Zeros of Polynomial Functions

Use Rational Zero Theorem to Find Possible Rational Zeros

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Zeros of Polynomial Functions

Find Zeros of a Polynomial Function

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Zeros of Polynomial Functions

Solve Polynomial Equations

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Zeros of Polynomial Functions

Use the Linear Factorization Theorem to Find Polynomials With Given Zeros

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Zeros of Polynomial Functions

Use Descartes's Rule of Signs

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Rational Functions and Their Graphs

Find the Domains of Rational Functions

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Rational Functions and Their Graphs

Use Arrow Notation

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Rational Functions and Their Graphs

Identify Vertical Asymptotes

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Rational Functions and Their Graphs

Identify Horizontal Asymptotes

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Rational Functions and Their Graphs

Use Transformations to Graph Rational Functions

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Rational Functions and Their Graphs

Graph Rational Functions

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Rational Functions and Their Graphs

Identify Slant Asymptotes

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Rational Functions and Their Graphs

Solve Applied Problems Involving Rational Functions

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Polynomial and Rational Inequalities

Solve Polynomial Inequalities

16 videos

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Polynomial and Rational Inequalities

Solve Rational Inequalities

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Polynomial and Rational Inequalities

Problems Modeled by Polynomial or Rational Inequalities

4 videos

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Modeling Using Variation

Solve Direct Variation Problems

6 videos

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Modeling Using Variation

Solve Inverse Variation Problems

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Modeling Using Variation

Solve Combined Variation Problems

4 videos

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Modeling Using Variation

Solve Problems Involving Joint Variation

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