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(y-y1)= slope*(x-x1)
(y-3)=2(x-3) y-3=2x-6 y=2x-3
y=2x+5 is correct
Check: y=2x+5 3= 2(-1)+5 ... Plug in (-1,3) 3 = -2 + 5 3 = 3 ... works --------------- y=2x+5 9= 2(2)+5 ... Plug in (2,9) 9 = 4 + 5 9 = 9 ... works
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