SOLUTION: what is the standard form of the equation of the line through : (2,-4) slope = -1

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Question 1074825: what is the standard form of the equation of the line through : (2,-4) slope = -1
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Use point-slope formula
+%28+y+-+%28-4%29+%29+%2F+%28+x+-+2+%29+=+-1+
+%28+y+%2B+4+%29+%2F+%28+x+-+2+%29+=+-1+
+y+%2B+4+=+-1%2A%28+x+-+2+%29+
+y+%2B+4+=+-x+%2B+2+
+x+%2B+y+=+-2+
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check:
does it go through ( 2,-4 ) ?
+2+%2B%28-4%29+=+-2+
+-2+=+-2+
OK