10­3 Equation of a Circle Notes.notebook
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TSE
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(x,y)
10­3 Equation of a Circle Notes.notebook
1 What is the radius of the following circle?
(x,y)
(2,1)
10­3 Equation of a Circle Notes.notebook
(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.notebook
Graph the circle below on a coordinate plane.
Name the equation of the circle seen below.
10­3 Equation of a Circle Notes.notebook
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.notebook
Write the equation of the circle below in h­k form. 10­3 Equation of a Circle Notes.notebook
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.notebook
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).
10­3 Equation of a Circle Notes.notebook
Text pg 402­403: 2­16, 22­28 EVENS
Given a circle centered at the origin, find an equation in standard form of the line tangent to the circle at the point (3,4).
10­3 Equation of a Circle Notes.notebook
Find an equation in standard form of the line tangent to the circle (x­2)2 + (y­5)2 = 25 at the point (­2,2). Text pg 403: 33­35
AND
Circles Practice Worksheet
THEN
MathXL!
Attachments
10­3 Completing the square practice.ks­ia2