Question

a line intersects the y-axis and x-axis at the points P and Q respectively.If (2,-5) is the mid-point of PQ ,then find the coordinates of P and Q

Answer 1

P on y-axis (x,0) ....and Q on x-axis(0,y)

M-point=(2,-5)
mid point formula..
2=(x1+x2)/2
⇒4=x+0
⇒x=4

-5=(y1+y2)/2
⇒-10=0+y
⇒y=  -10

P(4,0)   and Q(0,-10)is answer..
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