SOLUTION: What is the linear equation for a line that goes through points (-3,105) and (6,-3)?

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Question 668021: What is the linear equation for a line that goes through points (-3,105) and (6,-3)?
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
Slope = %28-3+-+105%29%2F%286-%28-3%29%29+=+-108%2F9+=+-12
...
Use either point and slope of -12 to solve for y intercept
105 = -12(-3) + b
105 = 36 + b
b = 105 - 36 = 69
...
Check using the other point
-3 = -12(6) + b
b = -3 + 72 = 69
....
Linear equation is
highlight_green%28y+=+-12x+%2B+69%29
;;;
graph%28300%2C200%2C-10%2C10%2C-5%2C10%2C-12x%2B69%29
.....................
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