Warner Guzman
07/31/2024 · Primary School
Graph the linear equation. \( 8=3 x-y \)
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Tutor-Verified Answer
Step-by-step Solution
To graph the linear equation \( 8 = 3x - y \), we can first rearrange it into the slope-intercept form \( y = mx + b \), where \( m \) is the slope and \( b \) is the y-intercept.
Starting with the equation:
\[
8 = 3x - y
\]
We can rearrange it to solve for \( y \):
\[
y = 3x - 8
\]
Now, we can identify the slope and y-intercept:
- The slope \( m = 3 \)
- The y-intercept \( b = -8 \)
### Steps to Graph the Equation:
1. **Plot the y-intercept**: Start by plotting the point where the line crosses the y-axis. This occurs at \( (0, -8) \).
2. **Use the slope to find another point**: The slope of 3 means that for every 1 unit you move to the right (positive direction on the x-axis), you move up 3 units (positive direction on the y-axis). Starting from the y-intercept \( (0, -8) \):
- Move 1 unit to the right to \( x = 1 \).
- Move up 3 units to \( y = -5 \).
- This gives you the point \( (1, -5) \).
3. **Draw the line**: Now that you have two points, \( (0, -8) \) and \( (1, -5) \), you can draw a straight line through these points. Extend the line in both directions.
### Summary of Points:
- y-intercept: \( (0, -8) \)
- Another point: \( (1, -5) \)
### Graph:
You can plot these points on a coordinate plane and draw a line through them to represent the equation \( y = 3x - 8 \). The line will slope upwards from left to right, reflecting the positive slope of 3.
Quick Answer
Graph the line using the points (0, -8) and (1, -5). The slope is 3, indicating an upward slope from left to right.
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