SOLUTION: a line passes through the points (0,3) and (2,-9). what is the equation of this line in alope-intercept form?

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Question 407050: a line passes through the points (0,3) and (2,-9). what is the equation of this line in alope-intercept form?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Using the point-slope formula, m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29

(0,3) and 

(2,-9)  m =[ 3-(-9)] / (0-2) = 12/-2 = -6

 



 y = -6x + b    |using ordered pair Pt(0,3) to solve for b

 3 = b 

y = -6x + 3