The Fate of the Universe (I

question 15

Short Answer

The fate of the universe (i.e., whether it expands forever or eventually collapses back on itself)is determined by its ________.

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Definitions:

System of Equations

A set of two or more equations with the same variables, where the solution is the set of values that satisfy all equations simultaneously.

Graph of Equation

A visual representation of all the points that satisfy a given equation, plotted on a coordinate grid.

Method of Substitution

A technique used to solve systems of equations by solving one equation for one variable and then substituting that expression into another equation.

System of Equations

A set of two or more equations with the same set of unknowns, which are solved together to find a common solution.