10-3 Equation of a Circle Notes

10­3 Equation of a Circle Notes
O F
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
LAL
TSE
HET
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
SNOTPI
ERA
ATTH
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
QUALE
CITENDSA
A
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ . FORM
NVIIG
OPINT
(x,y)
10­3 Equation of a Circle Notes
1 What is the radius of the following circle?
(x,y)
(2,1)
10­3 Equation of a Circle Notes
(x,y)
(h,k)
2 What is the center of a circle below?
A
(4,9)
B
(­4,­9)
C
(4,­9)
D
(­4,9)
10­3 Equation of a Circle Notes
Graph the circle below on a coordinate plane.
Name the equation of the circle seen below.
10­3 Equation of a Circle Notes
Completing the Square Practice
10­3 Completing the square practice.ks­ia2
Write the equation of the circle below in h­k form. 10­3 Equation of a Circle Notes
Write the equation of the circle below in h­k form. 10­3 Equation of a Circle Notes
3
The midpoint of a circle's diameter would be its _____________.
A vertex
B radius
C circumference
D center
4
The distance from a circle's center to an endpoint of one of its diameters would be equivalent to the circle's _____________ .
A vertex
B radius
C circumference
D center
10­3 Equation of a Circle Notes
Find the equation of a circle which has a diameter with endpoints (5,5) & (­1,­3).
Find the equation of a circle which has its center at (­2,5) and passes through (4,3).
Attachments
10­3 Completing the square practice.ks­ia2