Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:### Graphing Linear Inequalities
**Objective:** Graph the inequality \( y > \frac{5}{3}x - 3 \).
**Instructions:** Make sure to select a solid or dashed line as appropriate from below.
1. **Identify the Equation:** The inequality given is \( y > \frac{5}{3}x - 3 \).
2. **Graph the Boundary Line:** To graph the inequality, start by graphing the boundary line \( y = \frac{5}{3}x - 3 \).
- **Slope-Intercept Form:** Here, the slope (m) is \( \frac{5}{3} \) and the y-intercept (b) is -3.
- **Plotting Points:**
- Start at the y-intercept (0, -3).
- Use the slope to identify another point. Slope \( \frac{5}{3} \) means rise over run, so from the y-intercept, move 5 units up and 3 units to the right to reach the point (3, 2).
3. **Dashed Line:** Since the inequality is strictly greater than ( \( > \) ), use a dashed line to indicate that points on the line itself are not included in the solution.
4. **Shading the Region:** Shade the area above the dashed line, representing all the points (x, y) where \( y \) is greater than \( \frac{5}{3}x - 3 \).
5. **Result:**
- The graph consists of a dashed line passing through the points (0, -3) and (3, 2).
- The region above this line is shaded.
### Explanation of the Graph:
The coordinate system is a standard Cartesian plane with x and y axes marked from -5 to 5. The task requires plotting the given inequality.
- \( x \)-axis ranges from -5 to 5.
- \( y \)-axis ranges from -5 to 5.
By following these steps, you can accurately graph the inequality \( y > \frac{5}{3}x - 3 \) on the provided grid.
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