If A (3, y) is equidistant from points P (8, -3) and Q (7,6) , find the value of y and find the distance AQ.

Coordinates are P(8, -3) and Q(7,6)

The point A (3, y) is equidistant.

Using distance formula =

⇒ PA = QA

On squaring both sides, we get

=

=

= 1

AQ = = = units