Review of Circles!

Find the Center & Radius in simplest radical form:

100

Find the center and the radius of the circle given by the following equation: x^2+y^2=36

What is Center at (0,0) Radius of 6

200

Find the center and the radius of the circle given by the following equation: (x-2)^2+(y+2)^2=11

What is the center at (2,-2) radius Rad 11

300

Find the center and the radius of the circle given by the following equation: (x-7)^2+(y-9)^2=32

What is the center at (7,9) and a radius of 4rad2

400

find the center and the radius of the following circle: x^2+y^2+6x-6y+6=0 HINT: THIS MUST BE CHANGED TO CENTER RADIUS FORM FIRST! UTILIZE COMPLETING THE SQUARE!

What is the center is located at (-3,3) and a radius of 2rad3

Write the equation of the circle in Standard form:

100

Find the equation of a circle who's center is (1,2) and radius is 6. IN CENTER-RADIUS FORM

What is (x-1)^2+(y-2)^2 = 36

200

Find the equation of a circle whose center is (-4,3) and passes through the point (-7,7) IN CENTER-RADIUS FORM

What is (x+4)^2+(y-3)^2=25

300

Write the equation of a circle whose diameter has endpoints at (3,-2) and (-5,8)

What is (x+2)^2+(y-3)^2=50

400

Write the equation of the circle in center-radius form: x^2+y^2+2x-4y+1=0

What is (x+1)^2+(y-2)^2=4

Write the equation of a circle in expanded form

100

Write the equation in expanded form:

x^2 + (y - 2)^2 = 4

What is x^2 + y^2 - 4y = 0

300

Write the equation of the circle in STANDARD FORM: (x+2)^2+y^2=4

What is x^2+y^2+4x=0

400

rewrite the equation in standard form: (x+2)^2+(y-3)^2=6

What is x^2+y^2+4x-6y+7=0

Graph that Circle!

100

Center: (1,0) Radius 2

What is SEE GRAPH

200

Graph the circle generated by this equation: (x-2)^2+y^2=4

What is a circle with the center at (2,0) and a radius of 2

300

Graph the circle that has the following equation: (x-1)^2+(y+2)^2=36

What is a circle with the center at (1,-2) and a radius of 6

400

Graph the circle who's equation in standard form is: x^2+y^2-2x-8y+16=0

What is a circle with the center at (2,-7) and a radius of 5

What does it mean?

100

The formula for Circumference 

What is 2 times pi times radius

200

What is the relation between the diameter and the radius?

What is the radius is half of the diameter or the diameter is double the radius

300

To find the coordinates of the center of a circle given the diameter, what formula must you use?

What is midpoint formula!

400

To find the length of the radius of a circle, given the coordinates of any one edge point, and the center, what formula must you use?

What is the distance formula!

500

What does the center radius equation of a circle generalize to?

What is (x-a)^2+(y-b)^2=r^2