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the circle review
Question | Answer |
---|---|
Write the equation for a circle whose center is (9,9) and radius is 4 | (x-9)^2+(y-9)^2=16 |
Write the equation for a circle with the center (0,0) and the radius is the square root of 7 | x^2+y^2=7 |
What is the center and radius of a circle with the equation x^2+y^2=25? | (0,0) r =5 |
What is the center and radius of a circle with the equation x^2+(y-1)^2=4? | (0,1) r =2 |
What is the center and radius of a circle with the equation (x-4)^2+(y+5)^2=1? | (4,-5) r =1 |
What is the center and radius of a circle with the equation x^2+y^2+4y=0? | (0,-2) r =2 |
What is the center and radius of a circle with the equation (x-2)^2+(y-2)^2=9? | (2,2) r =3 |
What is the center and radius of a circle with the equation x^2+y^2-6x+4y-23=0? | (3,-2) r =6 |
What is the center and radius of a circle with the equation (x-3)^2+y^2=13? | (3,0) r =3.61 |
What is the center and radius of a circle with the equation x^2-8y+y^2+1=0? | (0,4) r =3.87 |