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Mathematics 13 Online
OpenStudy (anonymous):

thanks

Directrix (directrix):

The equation of the line with slope 2/3 and passing through (6,2) is y = (2/3)* x - 2 This comes from the online calculator at http://www.webmath.com/equline2.html Instructions are there also.

Directrix (directrix):

@cutegirl Test Options: Option 1: a (3,0) Check the options in this way: y = (2/3)* ( 3 ) - 2 ---> Solve for y. If you get 0, then the point (3,0) is on the line. If you do not, then the point (3,0) is not on the line. Post what you get, okay?

OpenStudy (anonymous):

i got zero

Directrix (directrix):

Sorry, I did not see that.

OpenStudy (anonymous):

y = (2/3)* ( 3 ) - 2 = 2-2 = 0

OpenStudy (anonymous):

its all good

Directrix (directrix):

What about this: y = (2/3)* ( -3 ) - 2 ---> Solve for y.

OpenStudy (anonymous):

-4

Directrix (directrix):

So ( -3, -4) is on the line also.

OpenStudy (anonymous):

how about a or b?

Directrix (directrix):

Option A is the first one you tested.

Directrix (directrix):

What about c. (3,-2) y = (2/3)* ( 3 ) - 2 ---> Solve for y. If you get -2 for y, then the poiont (3,-2) is on the line. So crank out (2/3)* ( 3 ) - 2

OpenStudy (anonymous):

its zero

OpenStudy (anonymous):

thanks a brunch

OpenStudy (anonymous):

bunch

Directrix (directrix):

Did you decide on A and D, then? You are welcome.

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