Coordinate Geometry Question 18

Question: If the middle point of the line segment joining the points (5, a) and (b,7) be (3,5), then (a, b) =

Options:

A) (3, 1)

B) (1, 3)

C) (-2,-2)

D) (-3, -1)

Show Answer

Answer:

Correct Answer: A

Solution:

$ \frac{5+b}{2}=3,\frac{a+7}{2}=5\Rightarrow b=1,a=3 $ .