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December 20, 2014

December 20, 2014

Posted by **rachel** on Monday, October 19, 2009 at 2:38pm.

Also, write an equation in point-slope form of the line that passes through the given points: (6,-3), (-1,9).

<soo sick of these.. please help!>

thanks!

- algebra -
**jim**, Monday, October 19, 2009 at 4:09pmYou can also do them with the formula

(y-y1)/(y2-y1) = (x-x1)/(x2-x1)

So:

(y+1)/(5/2+1) = (x+1/2)/(3+1/2)

y+1 = x+1/2

y = x - 1/2

and

(y+3) /(9+3) = (x-6)/(-1-6)

(y+3) / 12 = (x-6) / -7

-7y -21 = 12 x -72

y = -12x/7 +51/7

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