a point m with y coordinate 7 lies on the line segment joining the point p(-7,9) and q (-20,-4) find the coordinate of point
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p (-7,9)& q (-20,-4)
Slope of line PQ=(9-(-4))/(-7-(-20))
=13/13=1
Equation:
(y+4)/(x-20)=1
=>y+4=x-20
=>x-y=24
as y coordinate is 7 we replace y with 7
=>x-7=24
=>x=31
coordinate of point is (31,7)
Slope of line PQ=(9-(-4))/(-7-(-20))
=13/13=1
Equation:
(y+4)/(x-20)=1
=>y+4=x-20
=>x-y=24
as y coordinate is 7 we replace y with 7
=>x-7=24
=>x=31
coordinate of point is (31,7)
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