jd2002starwars jd2002starwars
  • 15-06-2018
  • Mathematics
contestada

A line passes through (1,-5) and (-3,7). A. Write an equation for the line in point-slope form.b rewrite the equation in standard form using intergers

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prettylittlelipa2uno prettylittlelipa2uno
  • 16-06-2018
A. 7+5         12
   -------   =   ---  =  -3
     -3-1        -4
Slope=-3
y-y^1=m(x-x^1)
y-7=-3(x+3)  Point slope form 
y-7=-3x-9
  +7      +7
-----------------
y=-3x-2 Slope y-intercept form 
+3x +3x
-------------
3x+y=-2  Standard form
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