# On a coordinate grid, JK has endpoint J at (15, −2), the midpoint of is M (1, −7). What is the length of JK?

##### 1 Answer

Apr 25, 2015

Step 1: Determine the coordinates of the endpoint K

Step 2: Use Pythagorean Theorem to determine the length

Step 1

If M is the mid point of JK then the changes in

The coordinates of K are

Step 2:

based on the Pythagorean Theorem