Elementary Algebra and Functions
Explore numbers and expressions; equations and inequalities; functions and growth. Concepts and connections are available independently of video coverage.
FOLLOW AN IDEA
Inequalities
Inequalities compare ordered values; multiplying by a negative number reverses the inequality.
Explore concept graph · Explore connected videos
Different ways to understand it
No reviewed video yet. Explore the concept in a map or suggest a resource. Suggest a video
More concepts to explore
Absolute value
Absolute value measures distance from zero on the real line.
Quadratic equations
The discriminant determines the real-root structure of a quadratic with nonzero leading coefficient.
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.
Exponent laws
Power identities simplify products and quotients where bases and exponents satisfy the required domain conditions.
Knowledge connections
- Quadratic equations · Related · Map context
- Absolute value · Related · Map context