Cox Bates
06/11/2023 · Elementary School
Graph the Line Line to Graph: \( y=-\frac{8}{7} x-3 \)
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Tutor-Verified Answer
Step-by-step Solution
To graph the line given by the equation \( y = -\frac{8}{7} x - 3 \), we can follow these steps:
1. **Identify the slope and y-intercept**:
- The equation is in slope-intercept form \( y = mx + b \), where \( m \) is the slope and \( b \) is the y-intercept.
- Here, the slope \( m = -\frac{8}{7} \) and the y-intercept \( b = -3 \).
2. **Plot the y-intercept**:
- The y-intercept is the point where the line crosses the y-axis. This occurs at \( (0, -3) \). Plot this point on the graph.
3. **Use the slope to find another point**:
- The slope \( -\frac{8}{7} \) means that for every 7 units you move to the right (positive x-direction), you move down 8 units (negative y-direction).
- Starting from the y-intercept \( (0, -3) \):
- Move 7 units to the right to \( (7, -3) \).
- Then move down 8 units to \( (7, -11) \).
- Plot the point \( (7, -11) \).
4. **Draw the line**:
- Draw a straight line through the points \( (0, -3) \) and \( (7, -11) \). Extend the line in both directions.
5. **Label the graph**:
- Optionally, label the line with its equation \( y = -\frac{8}{7} x - 3 \).
This will give you a visual representation of the line. If you have graphing software or graph paper, you can plot these points and draw the line accordingly.
Quick Answer
Plot the y-intercept at \( (0, -3) \). Use the slope \( -\frac{8}{7} \) to find another point, like \( (7, -11) \), and draw a line through these points. Label the line with the equation \( y = -\frac{8}{7} x - 3 \).
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