Question
Identify the slope and y intercept. Then, graph the linear equation.
y=−
1
4x+2
Begin with
b,the y-intercept:
Move with
m,the slope:
Answers
Answered by
GPT-4o mini
To identify the slope and y-intercept from the equation \( y = -\frac{1}{4}x + 2 \), we can follow these steps:
### Step 1: Identify the y-intercept
In the slope-intercept form of the equation \( y = mx + b \):
- \( m \) is the slope
- \( b \) is the y-intercept
From the equation:
- The y-intercept \( b = 2 \).
This means the graph crosses the y-axis at the point (0, 2).
### Step 2: Identify the slope
The slope \( m \) from the equation is:
- \( m = -\frac{1}{4} \).
This indicates that for every 4 units you move to the right (positive x-direction), you move 1 unit down (negative y-direction).
### Step 3: Graph the linear equation
1. **Plot the y-intercept**:
- Start at the point (0, 2).
2. **Use the slope to find another point**:
- From (0, 2), move 4 units to the right (to x = 4) and 1 unit down (to y = 1). This gives you the point (4, 1).
- You can also move in the opposite direction by going 4 units to the left (to x = -4) and 1 unit up (to y = 3), giving you the point (-4, 3).
3. **Draw the line**:
- Connect the points (0, 2) and (4, 1) with a straight line. Extend this line in both directions.
Now, you should have a graph of the line represented by the equation \( y = -\frac{1}{4}x + 2 \). The line slopes downward from left to right due to the negative slope.
### Step 1: Identify the y-intercept
In the slope-intercept form of the equation \( y = mx + b \):
- \( m \) is the slope
- \( b \) is the y-intercept
From the equation:
- The y-intercept \( b = 2 \).
This means the graph crosses the y-axis at the point (0, 2).
### Step 2: Identify the slope
The slope \( m \) from the equation is:
- \( m = -\frac{1}{4} \).
This indicates that for every 4 units you move to the right (positive x-direction), you move 1 unit down (negative y-direction).
### Step 3: Graph the linear equation
1. **Plot the y-intercept**:
- Start at the point (0, 2).
2. **Use the slope to find another point**:
- From (0, 2), move 4 units to the right (to x = 4) and 1 unit down (to y = 1). This gives you the point (4, 1).
- You can also move in the opposite direction by going 4 units to the left (to x = -4) and 1 unit up (to y = 3), giving you the point (-4, 3).
3. **Draw the line**:
- Connect the points (0, 2) and (4, 1) with a straight line. Extend this line in both directions.
Now, you should have a graph of the line represented by the equation \( y = -\frac{1}{4}x + 2 \). The line slopes downward from left to right due to the negative slope.
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