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Geometry 18 Online
OpenStudy (anonymous):

Find the x value for point F such that DF and EF form a 1:3 ratio.

OpenStudy (anonymous):

do you have a diagram this question looks incomplete

OpenStudy (anonymous):

here it is

OpenStudy (anonymous):

okay by distance formula find distance between D and F

OpenStudy (anonymous):

How would you begin the equation?

OpenStudy (anonymous):

you want the ratio to be 1 to 3 so you want 1/4 the distance from x=-3 to x=2, ie., 1/4 of 5, which is 5/4. so then (-3 + 5/4) will be the x-coordinate.

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