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## Precalculus

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

## 1. Fundamental Concepts of Algebra

Algebraic Expressions, Mathematical Models, and Real Numbers

## Evaluate Algebraic Expressions

2 videos

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Algebraic Expressions, Mathematical Models, and Real Numbers

## Usage Mathematical Models

5 videos
Algebraic Expressions, Mathematical Models, and Real Numbers

## Union & Intersection Of Two Sets

7 videos
Algebraic Expressions, Mathematical Models, and Real Numbers

## Recognize Real Numbers

1 video

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Algebraic Expressions, Mathematical Models, and Real Numbers

## Use Inequality Symbols

3 videos

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Algebraic Expressions, Mathematical Models, and Real Numbers

## Use Absolute Value to Express Distance

9 videos
Algebraic Expressions, Mathematical Models, and Real Numbers

## Simplify Algebraic Expressions

1 video

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Exponents and Scientific Notation

## Use Properties of Exponents

5 videos
Exponents and Scientific Notation

## Simplify Exponential Expressions

4 videos
Exponents and Scientific Notation

## Use Scientific Notation

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## Use the Quotient Rule to Simplify Square Roots

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## Add and Subtract Square Roots

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## Rationalize Denominators

2 videos

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## Evaluate and Perform Operations with Higher Roots

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4 videos
Polynomials

## Understand the Vocabulary of Polynomials

1 video

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Polynomials

## Multiply Polynomials

3 videos

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Polynomials

## Use FOIL in Polynomial Multiplication

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Polynomials

## Use Special Products in Polynomial Multiplication

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Factoring Polynomials

## Factor out the Greatest Common Factor of a Polynomial

3 videos
Factoring Polynomials

## Factor by Grouping

5 videos
Factoring Polynomials

## Factor Trinomials

3 videos

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Factoring Polynomials

## Factor the Difference of Squares

3 videos

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Factoring Polynomials

## Factor Perfect Square Trinomials

5 videos
Factoring Polynomials

## Factor the Sum or Difference of Two Cubes

5 videos
Factoring Polynomials

## Use a General Strategy for Factoring Polynomials

7 videos
Factoring Polynomials

## Factor Algebraic Expressions Containing Fractional and Negative Exponents

3 videos

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Rational Expressions

## Specify Numbers that Must be Excluded From the Domain of a Rational Expression

6 videos
Rational Expressions

## Simplify Rational Expressions

2 videos

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Rational Expressions

## Multiply Rational Expressions

5 videos
Rational Expressions

## Divide Rational Expressions

2 videos

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Rational Expressions

## Add and Subtract Rational Expressions

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Rational Expressions

## Simplify Complex Rational Expressions

6 videos
Rational Expressions

## Simplify Fractional Expressions That Occur in Calculus

4 videos
Rational Expressions

## Rationalize Numerators

6 videos
Models and Applications

## Use Linear Equations to Solve Problems

4 videos
Linear Inequalities and Absolute Value Inequalities

## Use Interval Notation

6 videos
Linear Inequalities and Absolute Value Inequalities

## Find Intersections and Unions of Intervals

2 videos

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Linear Inequalities and Absolute Value Inequalities

## Solve Compound Inequalities

1 video

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Linear Inequalities and Absolute Value Inequalities

4 videos