Refer to the graph below. If the line passes through the points (3, 7) and (9, 23), the constant rate of change of the line is ________.
Answer & Analysis
Analysis
Question Analysis
This question requires students to determine the constant rate of change from a graph by using the coordinates of two points. The constant rate of change is the slope of the line.
Key Concept Explanation
The constant rate of change, or slope, is the ratio of the vertical change (rise) to the horizontal change (run) between any two points on a line. It can be calculated using the formula .
Step-by-step Solution
1. Identify the coordinates of the points: and
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