Algebra-1

Question Analysis
This question tests the student's ability to recognize and identify a linear equation. The equation provided, , is in the form , which is the standard form of a linear equation.

Key Concept Explanation
Linear relationships are characterized by equations of the form , where and are constants, and the graph is a straight line. Nonlinear relationships, on the other hand, cannot be expressed in this form and their graphs are not straight lines.

Step-by-step Solution
1. The given equation is

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