SOLUTION: A line with a slope of -2 passes through the point (3.-1). which of the following is the equation of the line?

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Question 1050581: A line with a slope of -2 passes through the point (3.-1). which of the following is the equation of the line?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Use general point-slope formula
+%28+y+-%28-1%29+%29+%2F+%28+x+-+3+%29+=+-2+
+%28+y+%2B+1+%29+%2F+%28+x+-+3+%29+=+-2+
+y+%2B+1+=+-2%2A%28+x-3+%29+
+y+%2B+1+=+-2x+%2B+6+
+y+=+-2x+%2B+5+
-------------------
check:
does it go through ( 3,-1 )
+-1+=+-2%2A3+%2B+5+
+-1+=+-6+%2B+5+
+-1+=+-1+
OK