
Equations of Circles
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the standard equation of a circle?
Back
(x-h)² + (y-k)² = r², where (h,k) is the center and r is the radius.
Tags
CCSS.HSG.GPE.A.1
2.
FLASHCARD QUESTION
Front
What does (h,k) represent in the standard circle equation?
Back
(h,k) is the center of the circle.
Tags
CCSS.HSG.GPE.A.1
3.
FLASHCARD QUESTION
Front
If the diameter of a circle is 12, what is the radius?
Back
The radius is 6.
Tags
CCSS.7.G.B.4
4.
FLASHCARD QUESTION
Front
What is the relationship between the radius and the diameter of a circle?
Back
The diameter is twice the radius.
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
What is the equation of a circle with center at (0,0) and radius 5?
Back
x² + y² = 25.
Tags
CCSS.HSG.GPE.A.1
6.
FLASHCARD QUESTION
Front
How do you find the center of a circle from its equation?
Back
The center (h,k) can be found from the equation (x-h)² + (y-k)² = r².
Tags
CCSS.HSG.GPE.A.1
7.
FLASHCARD QUESTION
Front
What is the diameter of a circle represented by the equation (x-4)²+(y-3)²=25?
Back
The diameter is 10.
Tags
CCSS.HSG.GPE.A.1
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