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

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Patrick Ford

Nick Kaneko

Callie Rethman

0. Review of Algebra

1. Equations & Inequalities

2. Graphs of Equations

3. Functions

4. Polynomial Functions

5. Rational Functions

6. Exponential & Logarithmic Functions

7. Systems of Equations & Matrices

8. Conic Sections

9. Sequences, Series, & Induction

10. Combinatorics & Probability

Default TOC

Algebraic Expressions

Exponents

Polynomials Intro

Multiplying Polynomials

Factoring Polynomials

Radical Expressions

Simplifying Radical Expressions

Rationalize Denominator

Rational Exponents

Linear Equations

Rational Equations

The Imaginary Unit

Powers of i

Complex Numbers

Intro to Quadratic Equations

The Square Root Property

Completing the Square

The Quadratic Formula

College Algebra Midterm - Part 1 of 2

Rationalize the denominator of the following expression.8a112a+b\frac{8\sqrt{a}}{11\sqrt{2a}+\sqrt{b}}112a​+b​8a​​

Rationalize the denominator of the following expression.
$\frac{8\sqrt{a}}{11\sqrt{2a}+\sqrt{b}}$