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Mathematics 18 Online
OpenStudy (gabylovesyou):

HELP

OpenStudy (gabylovesyou):

OpenStudy (anonymous):

You are given two coordinate pairs, \[\left( P_1, F_1 \right)\text{ and }\left( P_2,F_2 \right)\]Determine the equation exactly how you did in the last problem you posted. Then set P=3 and solve for F

OpenStudy (gabylovesyou):

(15, 6) (20, 8) .4 is the slope ?

OpenStudy (gabylovesyou):

@ospreytriple

OpenStudy (blurbendy):

you'll notice that 15/6 = 2.5 and 20/8 = 2.5 so, what times 2.5 = 3? 2.5x = 3

OpenStudy (blurbendy):

or you can use the slope you got, .4 .4*3 = ????

OpenStudy (anonymous):

Yes, you get 0.4 as the slope. For the equation, are you expected to use point-slope form or slope-intercept form?

OpenStudy (gabylovesyou):

ok... so its B ? @ospreytriple

OpenStudy (gabylovesyou):

and .. i have no idea

OpenStudy (gabylovesyou):

@jim_thompson5910

OpenStudy (anonymous):

Looks like B, since that's the only one with 0.4 as the slope.

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