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Mathematics 8 Online
OpenStudy (anonymous):

Write the equation of the line which passes through (5, –2) and is parallel to x = 4. (1 point) show work

OpenStudy (anonymous):

What slope does x=4 have?

OpenStudy (anonymous):

I can help, but you must at least reply

OpenStudy (anonymous):

4

OpenStudy (anonymous):

no,

OpenStudy (anonymous):

it has an undefined slope

OpenStudy (anonymous):

oh ok

OpenStudy (anonymous):

So if you were to draw a line that has an undefine slope, it would look like a vertical line

OpenStudy (anonymous):

correct

OpenStudy (anonymous):

And if you have a point (5, -2), and a vertical line goes through it, what slope would that have?

OpenStudy (anonymous):

idk honestly

OpenStudy (anonymous):

It would have an undefine slope. If a line is vertical, which means it goes straight up, or straight down.

OpenStudy (anonymous):

so the equation for this problem would be x=5

OpenStudy (anonymous):

how ya get that

OpenStudy (anonymous):

ok, let me draw it. There is really no work done

OpenStudy (anonymous):

|dw:1351607704421:dw|

OpenStudy (anonymous):

Now you want a line that has the same slope( parallel) to this line x=4. You have a point at (5, -2)

OpenStudy (anonymous):

Simply the line just moved over 1 unit to the right.

OpenStudy (anonymous):

oh ok

OpenStudy (anonymous):

thanks :)

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