In what ratio does x axis divide the points -4,-6 and -1,7 ... and find the coordinates of (x,0)
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let the x-axis divide the line joining points (-4,-6) & (-1,7) in the ratio k:1.
Therefore,by using section formula,
my2+ny1/m+n= Y coordinate
k×7+1×(-6)/k+1= 0
7k-6=0
7k=6
k=6/7
x-axis divide the line joining the points (-4,-6) & (-1,7) in the ratio 6:7.....
also, by using mid point formula,
x1+x2/2=X
-4-1/2=X
X=-5
Therefore,(x,0)=(-5,0)
Therefore,by using section formula,
my2+ny1/m+n= Y coordinate
k×7+1×(-6)/k+1= 0
7k-6=0
7k=6
k=6/7
x-axis divide the line joining the points (-4,-6) & (-1,7) in the ratio 6:7.....
also, by using mid point formula,
x1+x2/2=X
-4-1/2=X
X=-5
Therefore,(x,0)=(-5,0)
niti13:
the ration is 6 : 7 not 1: 1
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