Question 1152679: If the parallel sides of a trapezoid contained by the lines y = 2x + 7 and y = 2x - 4, what equation represents the line contained by the midsegment? Please show work, it is for a geometry quiz. Thanks :)
Answer by MathLover1(20849)   (Show Source):
You can put this solution on YOUR website! given that
 are parallel lines
the line contained by the midsegment is also  to lines above and positioned in the  between them, only difference in equation is in y-intercept ( , )
so, the equation will be 
find 
it will be half distance between (, ) and (, ) which is  units
so,  units up from (,) ; (, ) =(, )
or, units down from (,) ; (, ) =(,)
 => your equation
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