SOMEONE PLEASE HELP WITH THESE

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Oct 11th, 2014

15. L1 = 9 - 2 = (7,0)

      L2 = 9 - 2 = (0,7)

slope of line 1 is

     slope = rise/run = 0/7 = 0

slope of line 2 is

     slope = rise/run = 7/0 = Undefined

16.   

17.(a).      (0,6)  and  (11,7)

           slope = Y2 - Y1 / X2 - X1

                    = (7 - 6) / (11 - 0)

           slope = 1 / 11

(b).           (-1,4)      and    (4,-5)

           slope = Y2 - Y1 / X2 - X1

                     = (-5 - 4) / (4 - (-1))

                    = (-5 - 4) / (4 + 1)

                    = -9/5

           slope = -9/5

Oct 11th, 2014

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