Expressions, Variables & Translating Relationships
Algebraic symbols represent quantities and relationships; an expression describes a calculation, while an equation claims that two expressions are equal.
What you'll learn
- Define a variable as a numerical quantity with meaningful units.
- Translate fixed amounts and repeated changes into expressions.
- Evaluate an expression at several variable values.
- Distinguish expressions from equations and interpret equality in either direction.
- Build an equation by imposing a target on a relationship.
Before you start
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