Solve the System by Substitution

question 70

Multiple Choice

Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

• A) no solution
• C) dependent

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Definitions:

Complete

Refers to a state where all necessary parts are present or when a process has been finished entirely, leaving nothing omitted.

Reflexive

A property of binary relations where every element is related to itself; often discussed in mathematics and logic.

Transitive

A property in logic and mathematics where if relation A relates to B and B relates to C, then A must relate to C.

Utility Function

A utility function is an economic model that relates the satisfaction or utility a consumer derives from consuming specific quantities of goods and services.