Question

A diameter of a circle has endpoints P(-10, -2) and Q(4, 6).
a. Find the center of the circle
b. Find the radius
c. Write an equation for the circle

Answer 1

it helps if you draw a graph and plot the points

Answer 2

Okay

Answer 3

for a, a short cut is adding the 'x's and 'y's and dividing each by two, therefore giving you the center

Answer 4

Thanks!

Answer 5

do you know the distance formula? the midpoint formula? the equation of the circle formula?
I mean all of them have the formula to find out. just apply