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Mathematics 15 Online
OpenStudy (anonymous):

what is the slope of a line that passes through (3, 4) and (-2, 4).

Directrix (directrix):

@Keikooo Plot the two points on paper or wherever. What do you notice about them. Hint: How does having the same y-coordinates affect the position of the points on the graph?

Directrix (directrix):

Well, you can always use the formula for slope. I'll attach it here.

OpenStudy (anonymous):

is it undefined? that is what i got when i graphed it on graphing paper

OpenStudy (anonymous):

it is undefined

OpenStudy (anonymous):

no the lie is horizontal, not vertical

OpenStudy (anonymous):

a vertical line does not have a slope, but a horizontal line does, it is zero

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