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September 20, 2014

September 20, 2014

Posted by **Keaton** on Thursday, March 19, 2009 at 4:59pm.

(-3, -2), and (-8,-5)

The equation of the line in slope-intercept form is y= what

- Alegbra -
**Damon**, Thursday, March 19, 2009 at 5:04pmWell, there are several ways but you want y = m x + b

so

-2 = m (-3) + b

b = (3 m-2) use (3m-2) for b in the other point

-5 = m (-8) + b

-5 = -8 m + 3 m - 2

5 m = 3

m = 3/5

then b = 3 (3/5) - 2

b = 9/5 - 10/5 = -1/5

so

y = (3/5) x - 1/5

or

5 y = 3 x - 1

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