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August 21, 2014

August 21, 2014

Posted by **krystal** on Monday, January 12, 2009 at 6:59pm.

1.(-1,0),(0,-2)

- math -
**emily**, Monday, January 12, 2009 at 7:02pmm = y2 - y1 / x2 - x1

m = -2 - 0 / 0 - (-1)

m = -2/1

m = -2

point slope form

y - y1 = m (x - x1)

y - 0 = -2 (x - (-1))

y = -2 (x + 1)

y = -2x - 2

- math -
**Damon**, Monday, January 12, 2009 at 7:03pmthe slope of the line is:

(-2 - 0) /( 0 + 1) = -2

the slope of the line is also

(y-0)/(x+1) = slope from any point on the line to (-1,0)

so

y /(x+1) = -2

y = -2 x - 2

-----------------------

now check

0 = -2 (-1) - 2 yes

-2 = -2(0) -2 yes so we got it.

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