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You can create printable tests and worksheets from these Grade 12 Circles questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

What is the equation for a circle with center $(2,5)$ and radius of 5?
1. $(x+2)^2+(y+5)^2=25$
2. $(x-2)^2+(y-5)^2=5$
3. $(x+2)^2+(y+5)^2=5$
4. $(x-2)^2+(y-5)^2=25$
What is the equation for a circle with center $(-4,6)$ and radius of 6?
1. $(x+4)^2+(y-6)^2=12$
2. $(x-4)^2+(y+6)^2=36$
3. $(x+4)^2+(y+6)^2=12$
4. $(x+4)^2+(y-6)^2=36$
What is the equation for a circle with center $(2,-2)$ and radius of 2?
1. $(x-2)^2+(y+2)^2=4$
2. $(x-2)^2+(y+2)^2=2$
3. $(x+2)^2+(y-2)^2=2$
4. $(x+2)^2+(y-2)^2=4$
What is the equation of a circle with a center of (0, 0) and a radius of 5?
1. $x^2-y^2=25$
2. $x^2+y^2=25$
3. $x^2+y^2=5$
4. $x^2-y^2=5$
What is the equation for a circle with center $(-2,-2)$ and the outer point of the radius at $(7,10)$?
1. $(x-2)^2+(y-2)^2=100$
2. $(x+2)^2+(y+2)^2=225$
3. $(x-2)^2+(y-2)^2=289$
4. $(x+2)^2+(y+2)^2=149$
What is the equation for a circle with center $(1,-4)$ and the outer point of the radius at $(-3,-5)$?
1. $(x-1)^2+(y+4)^2=15$
2. $(x+1)^2+(y-4)^2=15$
3. $(x-1)^2+(y+4)^2=17$
4. $(x-1)^2+(y+4)^2=289$
Find the center and radius of: $(x-2/3)^2+(y+1/2)^2=9/4.$
1. Center $(-2/3, -1/2), \$ Radius of $3/2$
2. Center $(2/3, -1/2), \$ Radius of $3/2$
3. Center $(2/3, -1/2), \$ Radius of $9/4$
4. Center $(-2/3, 1/2), \$ Radius of $9/4$
$(x-1)^2+(y+2)^2=12$
1. Center (-1,2); Radius of $2sqrt3$
2. Center (1,-2); Radius of $2sqrt3$