______ Is the Smallest of the Inner Four Planets and Closely

question 50

Multiple Choice

______ is the smallest of the inner four planets and closely resembles our moon.

• A) Saturn
• B) Venus
• C) Io
• D) Mars
• E) Mercury

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Definitions:

Method of Substitution

A technique used to solve systems of equations where one equation is solved for one variable in terms of the others, and then substituted into another equation.

System of Equations

A collection of two or more equations with the same set of unknowns.

Method of Substitution

A technique for solving systems of equations by replacing one variable with an equivalent expression in terms of the other variables.

System of Equations

A set of two or more equations with the same variables, which are solved together.