To identify whether a graph represents a proportional or non-proportional relationship, you can use the following guidelines:
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A proportional relationship is characterized by a straight line that passes through the origin (0,0). This indicates that as one quantity increases, the other quantity increases at a constant rate. The equation will take the form \( y = kx \), where \( k \) is a constant.
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A non-proportional relationship may be represented by a line that does not pass through the origin or a curve, indicating that the relationship between the two quantities is not constant.
Without seeing the specific graphs, I can't provide definitive answers, but you can apply these criteria to each graph to determine their nature.
- If the graph is a straight line that passes through the origin, mark it as 1 (proportional).
- If the graph is a straight line that does not pass through the origin or has a curve, mark it as 2 (non-proportional).
Feel free to describe the graphs to receive more tailored guidance!