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Someone please help i hav e absolutely no idea what to do and this is due at 11:59

Someone please help i hav e absolutely no idea what to do and this is due at 11:59-example-1
User Benoitr
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1 Answer

3 votes

Answer:

1st one: slope = undefined

2nd one: slope = undefined

Explanation:

The slope of a line is a measure of its steepness. It is calculated by dividing the change in the y-coordinate by the change in the x-coordinate between two points on the line.

Formula:


\sf Slope = (y_2 - y_1)/(x_2 - x_1)

1st one:

Slope of the line passing through the points (4, 2) and (4, -8) is:


\sf Slope = ( -8-2)/(4-4) \\\\ = - (10)/(0) \\\\ = \sf Undefined

2nd one:

Slope of the line passing through the points (-8, -9) and (-8, 9) is:


\sf Slope = ( 9-(-9))/(-8-(-8)) \\\\ = - (9+9)/(-9+8) \\\\ = (18)/(0) \\\\ = \sf Undefined

As we can see, both slopes are undefined. This is because the two points in each case have the same x-coordinate. A line with an undefined slope is a vertical line.

User Michael Washington
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7.9k points