A ray of light passing through a point A(1,2) is reflected at a point B on the x axis and then passes through (5,3) . Then the equation of AB is ??
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When point A reflects from x-axis then the points are (1,-2).When (1,-2) is reflected from (5,3) the point is (9,-2){i.e. Point B}
By using two point formula
y-y1=y2-y1/x2-x1(x-x1). {y1= 2,y2= -2,x1= 1,x 2= 9}
y-2= -2-2/9-1(x-1)
By using two point formula
y-y1=y2-y1/x2-x1(x-x1). {y1= 2,y2= -2,x1= 1,x 2= 9}
y-2= -2-2/9-1(x-1)
Conquestador:
my last step is wrong too
y-y1= -2-2/9-1(x-2)
i am so sorry i got confused my last step is right
the step after it is
y-2=-4/8(x-1)
y-2=-1/2(x-1)
2(y-2)=-1(x-1)
2y-4= -x+1
x+2y-4-1=0
x+2y-5=0,. This is the final answer
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