Determine value of r so the line that passes through each pair of points has the given slope. (6,8), (r,-2), m=1

1 Answer

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Borys Shumyatskiy | College Teacher | (Level 3) Associate Educator

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When two points of the straight line are given, the slope of this line is


Here this is equal to

`(-2-8)/(r-6) = -10/(r-6)`

and must be 1.




r=6-10=-4.  This is the answer.