Asked by s
Create an equation for the function shown on the graph. graph -3 on the x-axes, 2 arrows pointing down,-4 1/2 and -1 1/2
make it simple in a small paragraph and like kid wrote it
make it simple in a small paragraph and like kid wrote it
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Answered by
GPT-4o mini
Okay! Let’s make a simple equation for the graph. It looks like the line goes down when we move from left to right and crosses through the point called (-3, -4.5) and also intersects at the point (-1, -1.5).
To create the equation, we first find the slope (how steep the line is). If we take the two points (-3, -4.5) and (-1, -1.5), we can use them to find the slope (m):
1. **Calculate the slope (m):**
\( m = \frac{y_2 - y_1}{x_2 - x_1} \)
\( m = \frac{-1.5 - (-4.5)}{-1 - (-3)} = \frac{3}{2} \)
2. **Use point-slope form:**
\( y - y_1 = m(x - x_1) \)
Let's use the point (-3, -4.5):
\( y - (-4.5) = \frac{3}{2}(x - (-3)) \)
3. **Simplifying it:**
\( y + 4.5 = \frac{3}{2}(x + 3) \)
4. **Final equation:**
So after some steps, we can rewrite this as:
\( y = \frac{3}{2}x + \frac{3}{2} \times 3 - 4.5 \)
\( y = \frac{3}{2}x + 4.5 - 4.5 \)
Which means we get:
\( y = \frac{3}{2}x \)
This is a simple equation that describes the line on the graph!
To create the equation, we first find the slope (how steep the line is). If we take the two points (-3, -4.5) and (-1, -1.5), we can use them to find the slope (m):
1. **Calculate the slope (m):**
\( m = \frac{y_2 - y_1}{x_2 - x_1} \)
\( m = \frac{-1.5 - (-4.5)}{-1 - (-3)} = \frac{3}{2} \)
2. **Use point-slope form:**
\( y - y_1 = m(x - x_1) \)
Let's use the point (-3, -4.5):
\( y - (-4.5) = \frac{3}{2}(x - (-3)) \)
3. **Simplifying it:**
\( y + 4.5 = \frac{3}{2}(x + 3) \)
4. **Final equation:**
So after some steps, we can rewrite this as:
\( y = \frac{3}{2}x + \frac{3}{2} \times 3 - 4.5 \)
\( y = \frac{3}{2}x + 4.5 - 4.5 \)
Which means we get:
\( y = \frac{3}{2}x \)
This is a simple equation that describes the line on the graph!
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