SOLUTION: In each case find the equation of the straight line through the given points (4;7), (-2;2)

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Question 158316: In each case find the equation of the straight line through the given points (4;7), (-2;2)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(4,7), (-2,2)
Y+mX+b
m=(2-7)/(-2-4)
m=-5/-6
m=5/6 slope.
7=5/6*4+b
7=20/6+b
b=7-20/6
b=(42-20)/6
b=22/6=11/3 y intercept.
Y=5X/6+11/3
+graph%28+300%2C+200%2C+-6%2C+15%2C+-10%2C+12%2C+5x%2F6+%2B11%2F3%29+ (graph 300x200 pixels, x from -6 to 15, y from -10 to 12, 5x/6 +11/3).