Find Center and Radius

Quiz
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the coordinates of the centre and the radius of the circle with equation:
(x + 7)2 + (y - 6)2 = 64?
Centre (7,-6)
Radius = 8 units
Centre (-7,6)
Radius = 64 units
Centre (-7,6)
Radius = 8 units
Centre (7,-6)
Radius = 64 units
Tags
CCSS.HSG.GPE.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the center and radius given the equation, 8x+x2-2y+y2-64=0?
Center: (-4, 1), Radius: 9
Center: (4,1), Radius: 9
Center: (1,-4), Radius: 81
Center: (-4, 1), Radius: 81
Tags
CCSS.HSG.GPE.A.1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the equation (x-3)2+(y+4)2=121, the radius of the circle is
242
11
121
22
Tags
CCSS.HSG.GPE.A.1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the center and radius: (x - 2)2 + (y + 5)2 = 16
ctr: (2, -5) radius: 4
ctr: (-2, 5) radius: 4
ctr: (2, -5) radius: 256
ctr: (-2, 5) radius: 256
Tags
CCSS.HSG.GPE.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The endpoints of a diameter of a circle are (-4,1) and (2,5). Find the center and radius of the circle.
Tags
CCSS.HSG.GPE.A.1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For the circle x2 + y2 = 16, state the coordinates of the center and the measure of the radius.
(0,0); 4
(0,0); 16
(1,1); 4
(1, 1); 42
Tags
CCSS.HSG.GPE.A.1
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