
Practice/Extra Credit - Equations of Circles
Quiz
•
Mathematics
•
9th - 12th Grade
•
Easy
Standards-aligned
Robin Brockmiller
Used 6+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the standard equation of a circle?
(x-k)2 + (y-h)2 = r2
(x+h)2 + (y+k)2 = r2
(x-h)2 + (y-k)2 = r2
(k-x)2 + (h-y)2 = r2
Tags
CCSS.HSG.GPE.A.1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What does (h,k) standard for in the standard circle equation?
(h,k) is the center of the circle
(h,k) is a point on the circle.
(h,k) is the radius of the circle
(h,k) is the diameter of the circle
Tags
CCSS.HSG.GPE.A.1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the center of the circle with this equation is (x+2)²+(y-4)²=41?
(-2,41)
(-2,4)
(2,-4)
(2,41)
Tags
CCSS.HSG.GPE.A.1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the radius of the circle
(x+7)²+(y-2)²=144?
7
12
24
144
Tags
CCSS.HSG.GPE.A.1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What are the coordinates of the center and the radius of the circle with equation:
(x - 4)2 + (y - 3)2 = 25 ?
Center (4,3)
Radius = 5 units
Center (4,3)
Radius = 25 units
Center (-4,-3)
Radius = 25 units
Center (-4,-3)
Radius = 5 units
Tags
CCSS.HSG.GPE.A.1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Write the equation of a circle with center (7, 0) with circumference of 14pi.
(x - 7)2 + y2 = 7
x2 + (y -7)2 = 49
(x - 7)2 + y2 = 49
x2 + (y -7)2 = 14
Tags
CCSS.HSG.GPE.A.1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Write the equation of a circle with center (0,7) with area of 9pi
(x - 7)2 + y2 = 9
x2 + (y -7)2 = 9
(x - 7)2 + y2 = 3
x2 + (y -7)2 = 3
Tags
CCSS.HSG.GPE.A.1
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