Elementary Algebra and Functions
Explore numbers and expressions; equations and inequalities; functions and growth. Concepts and connections are available independently of video coverage.
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Exponent laws
Power identities simplify products and quotients where bases and exponents satisfy the required domain conditions.
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Number systems
Natural, integer, rational, real and complex numbers support progressively broader operations.
Percentages
A percentage expresses a ratio per hundred; percentage-point changes differ from relative percentage changes.
Absolute value
Absolute value measures distance from zero on the real line.
Algebraic expressions
Expressions combine constants, variables and operations without necessarily asserting an equation.
Arithmetic operations
Addition, subtraction, multiplication and division follow precedence rules; division by zero is undefined.
Knowledge connections
- Percentages · Related · Map context
- Number systems · Related · Map context