Consider the Following Hypothetical Situation

question 21

Multiple Choice

Consider the following hypothetical situation.A spacecraft lands on a moon of one of the planets.The moon has a smooth surface resembling that of the lunar maria.The rocks on the surface are found to be 4.5 billion years old.Why would such a finding be highly unusual?

• A)Such rocks are far older than any found on the Earth's moon
• B)If the surface is that old,it should be heavily cratered
• C)The maria rocks on the Earth's moon are much older than 4.5 billion years
• D)There should not be rocks on maria

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Definitions:

Center

The midpoint or origin in a coordinate system; also refers to the midpoint of a shape or object in geometry.

Method of Substitution

A technique used to solve systems of equations by solving one equation for one variable and then substituting that expression into the other equation(s).

System of Equations

A set of equations with the same variables, where the solution is the set of values that satisfies all equations simultaneously.

Hyperbola

A type of smooth curve lying in a plane, defined by its geometric properties or by equations that satisfy its definition, characterized by two branches mirrored across the axis or center.