Find the Slope and Y-Intercept (8,-1) , (8,-4)

Math
(8,-1)(8,-4)
Find the value of the slope.
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Slope is equal to the change in y over the change in x, or rise over run.
m=change in ychange in x
The change in x is equal to the difference in x-coordinates (also called run), and the change in y is equal to the difference in y-coordinates (also called rise).
m=y2-y1x2-x1
Substitute in the values of x and y into the equation to find the slope.
m=-4-(-1)8-(8)
Simplify.
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Multiply -1 by 8.
-4-(-1)8-8
Subtract 8 from 8.
-4-(-1)0
The expression contains a division by 0 The expression is undefined.
Undefined
Undefined
Undefined
Since the slope is undefined, this is a vertical line. Vertical lines have no y-intercept.
No y-intercept
The slope is undefined and there is no y-intercept.
Slope: Undefined
No y-intercept
Find the Slope and Y-Intercept (8,-1) , (8,-4)

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