Question 477851: What is the equation of the line that contains the points with (x, y) coordinates (–3, 7) and (5, –1)?
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! What is the equation of the line that contains the points with (x, y) coordinates (–3, 7) and (5, –1)
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Standard form of equation for a straight line: y=mx+b, m=slope, b=y-intercept
For given equation:
m=∆y/∆x=7-(-1)/5-(-3)=8/8=1
y=(1)x+b
solving for b using (x,y) coordinates of one of given points (5,-1)
-1=5+b
b=-6
equation:
y=x-6
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