Questions: After flying his kite at the beach all day, Bernard wound up the kite's string to get ready to go home. As he wound the string, the kite's height decreased. This situation can be modeled as a linear relationship. What does the slope of the line tell you about the situation? The kite's height decreased 5 feet per minute. The kite's height decreased 15 feet per minute. The kite's height decreased 30 feet per minute.

After flying his kite at the beach all day, Bernard wound up the kite's string to get ready to go home. As he wound the string, the kite's height decreased.
This situation can be modeled as a linear relationship.

What does the slope of the line tell you about the situation?
The kite's height decreased 5 feet per minute.

The kite's height decreased 15 feet per minute.

The kite's height decreased 30 feet per minute.
Transcript text: After flying his kite at the beach all day, Bernard wound up the kite's string to get ready to go home. As he wound the string, the kite's height decreased. This situation can be modeled as a linear relationship. What does the slope of the line tell you about the situation? The kite's height decreased 5 feet per minute. The kite's height decreased 15 feet per minute. The kite's height decreased 30 feet per minute.
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Solution

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Solution Steps

Step 1: Find two points on the line.

We can take (0, 120) and (2, 30).

Step 2: Calculate the slope.

Slope = (change in y) / (change in x) Slope = (30 - 120) / (2 - 0) Slope = -90 / 2 Slope = -45

Final Answer

The kite's height decreased 45 feet per minute.

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