SOLUTION: Which of the following equations passes through the points (2,4) and (-3,-6)?

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Question 282100: Which of the following equations passes through the points (2,4) and (-3,-6)?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(2,4) and (-3,-6)
Y=mX+b m=slope & b= the Y intercept.
m=(Y2-Y1)/(X2-X1)=(-6-4)/(-3-2)=-10/-5=2
4=2*2+b
4=4+b
b=4-4
b=0 the Y intercept.
Y=2X IS THE LINE EQUATION.
PROOF:
+graph%28+200%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+y+=+2x%29+ (graph 200x200 pixels, x from -10 to 10, y from -10 to 10, y = 2x).