Find the values of y for which the distance between the points P (2, -3) and Q (10, y) is 10 units.

Question

Philoid · Accepted Answer

Coordinates are P (2, -3) and Q (10, y)

Using distance formula =

⇒ PQ = 10 units

= 10

On squaring both sides, we get

= 100

= 0

= 3, -9