Find equation of the line passing through the point (4,-4) and (3,5).
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Heya
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EQUATION OF A LINE PASSING THROUGH THE POINTS ( x1 , y1 ) And ( x2 , y2 )
y - y1 = m ( x - x1 )
m = ( y2 - y1 )/ ( x2 - x1 )
Here x1 = 4 And y1 = -4
x2 = 3 And y2 = 5
m = ( 5 + 4)/(3 - 4 ) = -9
=>
y + 4 = -9 ( x - 4 )
=>
9x + y = 32
_______________________________
EQUATION OF A LINE PASSING THROUGH THE POINTS ( x1 , y1 ) And ( x2 , y2 )
y - y1 = m ( x - x1 )
m = ( y2 - y1 )/ ( x2 - x1 )
Here x1 = 4 And y1 = -4
x2 = 3 And y2 = 5
m = ( 5 + 4)/(3 - 4 ) = -9
=>
y + 4 = -9 ( x - 4 )
=>
9x + y = 32
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