Algebra - Overview

Algebra is one of the largest ACT Math domains. It focuses on equations, inequalities, expressions, systems, and algebraic modeling.

Strong Algebra skills support success throughout the entire ACT Math section.

What You’ll Learn

By working through this domain, you’ll learn how to:

Simplify algebraic expressions
Solve equations and inequalities
Manipulate formulas
Solve systems of equations
Model real-world situations algebraically
Work with polynomial and rational expressions

Course Structure

Topics in this domain include:

Linear expressions
Linear equations
Inequalities
Literal equations
Systems of equations
Polynomials
Rational expressions
Quadratic equations
Exponential relationships

ACT Algebra Tips

Simplify before solving.
Watch negative signs carefully.
Check whether factoring saves time.
Use substitution strategically.
Verify solutions when possible.

Assess Your Progress

After completing the lessons, reinforce your understanding through:

Lesson practice questions
Unit assessments
ACT Domain Tests
Full-Length ACT Practice Tests

Select a topic from the sidebar to begin.