SOLUTION: write an equation in slope-intercept form fr a line that passes through the given pair of points. (9,-5)(1,-8)

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Question 142265: write an equation in slope-intercept form fr a line that passes through the given pair of points.
(9,-5)(1,-8)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(9,-5)(1,-8)
First we find he slope (m):
(y2-y1)/(x2-x1)=(-8+5)/(1-9)=-3/-8=3/8
Now replace the X &Y terms with one set of points and solve for the y intercept (b).
Y=mX+b
-5=3/8*9+b
b=-5-27/8
b=(-40-27)/8
b=-67/8 is the y intercept.
So the line equation is:
y=3x/8-67/8
+graph%28+300%2C+200%2C+-6%2C+20%2C+-10%2C+10%2C3x%2F8+-67%2F8%29+ (graph 300x200 pixels, x from -6 to 20, y from -10 to 10,3x/8 -67/8).