Graph the linear equation by finding and plotting its intercepts. -5=2x+ y Use the graphing tool to graph the linear equation. Use the intercepts when drawing the line. If only one intercept exists, use it and another point to draw the line.

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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### Graphing Linear Equations: Using Intercepts

**Objective:** Learn how to graph a linear equation by finding and plotting its intercepts.

#### Equation
\[ -5 = 2x + y \]

**Instructions:**
1. **Graph the Equation Using Intercepts:**
   - Use the intercepts to draw the line. 
   - If only one intercept exists, use it along with another point to draw the line.
  
2. **Using the Graphing Tool:**
   - Click on the graph to enlarge it.
   - Choose a tool from the palette and follow the instructions to create your graph.

#### Step-by-Step Guide:

1. **Identify the Intercepts:**
   - Solve for the y-intercept by setting \( x = 0 \):
     \[ -5 = 2(0) + y \quad \Rightarrow \quad y = -5 \]
   - Solve for the x-intercept by setting \( y = 0 \):
     \[ -5 = 2x + 0 \quad \Rightarrow \quad x = -\frac{5}{2} \]

2. **Plotting Points:**
   - Plot the y-intercept (0, -5).
   - Plot the x-intercept \((-\frac{5}{2}, 0)\).

3. **Draw the Line:**
   - Use a straight edge to draw a line through the plotted intercept points.

#### Graph Explanation:

The graph is a Cartesian plane with an x-axis and a y-axis. Both axes are labeled with numerical values, ranging from -6 to 6. The intercept points, (0, -5) and \((-\frac{5}{2}, 0)\), need to be marked on the graph, and a straight line should connect these two points.

#### Homework:
- Click the graph to enlarge it.
- Use the intercepts to create your graph.
- Check your work using the online graphing tool.

**Note:** After completing the graph, verify your answer by clicking the "Check Answer" button. 

#### Practice Questions:
- Question 17: \( (0/1) \)
- Question 18: \( (0/1) \)
- Question 19: \( (1/1) \)
- Question 20: \( (1/1) \)

#### Resources:
- Textbook
- Developmental Mathematics
- Elementary Statistics
Transcribed Image Text:### Graphing Linear Equations: Using Intercepts **Objective:** Learn how to graph a linear equation by finding and plotting its intercepts. #### Equation \[ -5 = 2x + y \] **Instructions:** 1. **Graph the Equation Using Intercepts:** - Use the intercepts to draw the line. - If only one intercept exists, use it along with another point to draw the line. 2. **Using the Graphing Tool:** - Click on the graph to enlarge it. - Choose a tool from the palette and follow the instructions to create your graph. #### Step-by-Step Guide: 1. **Identify the Intercepts:** - Solve for the y-intercept by setting \( x = 0 \): \[ -5 = 2(0) + y \quad \Rightarrow \quad y = -5 \] - Solve for the x-intercept by setting \( y = 0 \): \[ -5 = 2x + 0 \quad \Rightarrow \quad x = -\frac{5}{2} \] 2. **Plotting Points:** - Plot the y-intercept (0, -5). - Plot the x-intercept \((-\frac{5}{2}, 0)\). 3. **Draw the Line:** - Use a straight edge to draw a line through the plotted intercept points. #### Graph Explanation: The graph is a Cartesian plane with an x-axis and a y-axis. Both axes are labeled with numerical values, ranging from -6 to 6. The intercept points, (0, -5) and \((-\frac{5}{2}, 0)\), need to be marked on the graph, and a straight line should connect these two points. #### Homework: - Click the graph to enlarge it. - Use the intercepts to create your graph. - Check your work using the online graphing tool. **Note:** After completing the graph, verify your answer by clicking the "Check Answer" button. #### Practice Questions: - Question 17: \( (0/1) \) - Question 18: \( (0/1) \) - Question 19: \( (1/1) \) - Question 20: \( (1/1) \) #### Resources: - Textbook - Developmental Mathematics - Elementary Statistics
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