SOLUTION: Write standard form of the equation of line through pair of points (1,5) and (-8,9). Write euqation using only integer coefficients.

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Question 401850: Write standard form of the equation of line through pair of points (1,5) and (-8,9). Write euqation using only integer coefficients.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
(1,5) and (-8,9)
Y=mX+b
m=(y2-y1)/(x2-x1)
m=(9-5)/(-8-1)
m=4/-9=-4/9 for the slope.
5=-4/9*1+b
5=-4/9+b
b=5+4/9
b=(45+4)/9
b=49/9 the Y intercept.
Y=-4X/9+49/9
9Y=-4X+49 ANS.
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-4x%2F9+%2B49%2F9%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -4x/9 +49/9).