Equation of a Circle

Flashcard
•
Mathematics
•
8th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the standard equation of a circle with center (h, k) and radius r?
Back
2.
FLASHCARD QUESTION
Front
What does the 'h' in (h, k) represent in the equation of a circle?
Back
The 'h' represents the x-coordinate of the center of the circle.
3.
FLASHCARD QUESTION
Front
What does the 'k' in (h, k) represent in the equation of a circle?
Back
The 'k' represents the y-coordinate of the center of the circle.
4.
FLASHCARD QUESTION
Front
If a circle has a center at (3, -2) and a radius of 5, what is its equation?
Back
5.
FLASHCARD QUESTION
Front
How do you find the radius from the equation of a circle?
Back
6.
FLASHCARD QUESTION
Front
Back
7.
FLASHCARD QUESTION
Front
Back
The center is (2, -3).
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