How can you show the slope of the line is constant?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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3b. How can you show the slope of the line is constant?

### Lesson 8: Session 2

#### 3. Bathtub Water Graph

The graph illustrates how the number of gallons of water in a bathtub changes as it is being filled.

- **Graph Explanation:** The graph is a line plot with "Time (min)" on the x-axis and "Water in Tub (gal)" on the y-axis. The line shows a positive linear relationship indicating a constant rate of water being added over time.

- **Questions:**
  - a. What is the slope of the line?
  - b. How can you show that the slope of the line is constant?

#### 4. Honey Corn Bread Graph

Estela is making honey corn bread. The graph demonstrates the relationship between cups of corn meal and tablespoons of honey.

- **Graph Explanation:** This graph is a line plot with "Honey (tbsp)" on the x-axis and "Corn Meal (c)" on the y-axis. It shows a positive linear relationship, indicating a consistent ratio between honey and corn meal.

- **Question:**
  - How could you show that the slope of the line is constant?
Transcribed Image Text:### Lesson 8: Session 2 #### 3. Bathtub Water Graph The graph illustrates how the number of gallons of water in a bathtub changes as it is being filled. - **Graph Explanation:** The graph is a line plot with "Time (min)" on the x-axis and "Water in Tub (gal)" on the y-axis. The line shows a positive linear relationship indicating a constant rate of water being added over time. - **Questions:** - a. What is the slope of the line? - b. How can you show that the slope of the line is constant? #### 4. Honey Corn Bread Graph Estela is making honey corn bread. The graph demonstrates the relationship between cups of corn meal and tablespoons of honey. - **Graph Explanation:** This graph is a line plot with "Honey (tbsp)" on the x-axis and "Corn Meal (c)" on the y-axis. It shows a positive linear relationship, indicating a consistent ratio between honey and corn meal. - **Question:** - How could you show that the slope of the line is constant?
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