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how do you find slope ?

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3 Answers

Hi Fanny;
3x-2y=12
The equation is in standard form...
Ax+By=C, A>0
Slope is -A/B
-(3/-2)
A negative of a negative is positive....
3/2
You can just choose 2 points on the line, and get the slope by
 
  m =   ( Y2 - Y1 ) / (X2 - X1 )
 
  Intercepts :   ( 0 , -6 )   ( 4, 0 )
 
   m = 0 - ( - 6) = =
           4  -  0       4     2 
Re arrange the equation to slope intercept form
y=mx + b where m is slope and b is y intercept
 
3x - 2y =12
 
-2y = 12 - 3x
2y = 3x -12
y = 3/2x  - 6
 
m = slope = 3/2
:)

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