Expressions & Equations
Overview
Work with algebraic expressions and equations. You'll use the distributive property to expand and factor, combine like terms, and solve two-step equations and inequalities - including knowing when to flip an inequality sign.
Your progress
0 of 3 done0%
About this unit
How to work through it
- Show every step when solving equations, no skipping.
- When you divide both sides by a negative, flip the inequality symbol.
- Factoring and expanding are reverse processes, practice both directions.
- Translate word problems into equations before solving.
- Use exercises as mini-tests; hide solutions until you've tried.
You should be able to
- Solve two-step equations including those with fractions.
- Solve and graph simple inequalities.
- Expand and factor expressions using the distributive property.
- Write equations from verbal descriptions.
Key words
- Coefficient
- The number multiplied by a variable, like the 3 in 3x.
- Like terms
- Terms with the same variable raised to the same power.
- Distributive property
- a(b + c) = ab + ac.
- Inequality
- A statement comparing values with <, >, ≤, or ≥.
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