QUESTION IMAGE
Question
find the slopes of the equation and the table. do they have the same slope?
y = x - 6
| x | 8 | 9 | 4 | 5 | 6 | 10 |
| y | -2 | -1 | 0 | 1 | 2 | 6 |
show your work here
slope of equation =
slope of table =
○ yes, the slopes are the same. ○ no, the slopes are not the same.
Step1: Find slope of equation \( y = x - 6 \)
The equation is in slope - intercept form \( y=mx + b \), where \( m \) is the slope. For \( y=x - 6 \), comparing with \( y = mx + b \), we have \( m = 1 \). So the slope of the equation is \( 1 \).
Step2: Find slope of the table
We use the slope formula \( m=\frac{y_2 - y_1}{x_2 - x_1} \). Let's take two points from the table. Let's take \( (x_1,y_1)=(8, - 2) \) and \( (x_2,y_2)=(9,-1) \).
Substitute into the slope formula: \( m=\frac{-1-(-2)}{9 - 8}=\frac{-1 + 2}{1}=\frac{1}{1}=1 \). We can check with other points, for example, \( (x_1 = 9,y_1=-1) \) and \( (x_2 = 10,0) \), \( m=\frac{0-(-1)}{10 - 9}=\frac{1}{1}=1 \). So the slope of the table is \( 1 \).
Step3: Compare the slopes
The slope of the equation is \( 1 \) and the slope of the table is \( 1 \). So the slopes are the same.
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Slope of equation \( = 1 \)
Slope of table \( = 1 \)
Yes, the slopes are the same.