Question

If p(5,y)is the mid -point of the line segment ab joining the points a(3,5)and b (x,3). Then find the value of x+y and x-y.

Answer 1

Answer:

(x+y) =12

(x-y) =2

Step-by-step explanation:

let line is ab

then mid point p is given as

p(5,y) = mid point of (3,5) and (x,3)

=> ((3+x)/2 , (5+3)/2)

p(5,y) = ((3+x)/2 , 5)

comparison gives us

y = 5

5 = (3+x)/2

=> 10 = 3+x

=> x = 7;

so value of (x+y) => 7+5 =12

so value of (x-y) => 7-5 =2

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