Sustainability & Community Basic
Sustainable Development
Development that meets the needs of the present without compromising the ability of future generations to meet their own needs
Urban Planning
The technical and political process concerned with the design and management of land use and the urban environment.
Equation
A statement that two expressions are equal (e.g., 100=5x+10100 = 5x + 10)
Function
A relationship between a set of inputs and a set of outputs, where each input has exactly one output.
Community Garden
A shared piece of land where community members can grow food.
Infrastructure
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise (e.g., roads, power plants, water lines).
Inequality
A statement that two expressions are not equal, using symbols like >> (greater than) or << (less than). Represents “at least” or “at most” requirements.
Solar Panel
A device that converts sunlight directly into electricity.
Proposal
A formal, written document that presents a plan or idea for consideration.
System of Equations
A set of two or more equations with the same variables, solved together to satisfy multiple conditions.
Per capita
For each person. Used to calculate the energy or food needs of a neighborhood’s population.
Variable
A symbol (usually a letter like x or y) used to represent an unknown value
Constraint
A limitation or restriction, such as budget or land area in a project.
Yield
The amount of a crop harvested from a specific area of land.
Expression
A combination of numbers, variables, and operation symbols (e.g., 5x+105x + 10).
Optimization
The process of finding the best possible solution, often by maximizing or minimizing a variable.