Arcs and Angles in Circles

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
+2
Standards-aligned
Barbara White
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the radius of a circle whose equation is x2+y2+8x−6y+21=0?
2 units
3 units
4 units
5 units
Tags
CCSS.HSG.GPE.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the radius of a circle whose equation is (x – 7)2 + (y – 10)2 = 4?
2 units
4 units
8 units
16 units
Tags
CCSS.HSG.GPE.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the center of a circle represented by the equation (x−5)2+(y+6)2=42?
(-6, 5)
(-5, 6)
(5, -6)
(6, -5)
Tags
CCSS.HSG.GPE.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the center of a circle represented by the equation (x+9)2+(y−6)2=102?
(-9, 6)
(-6, 9)
(6, -9)
(9, -6)
Tags
CCSS.HSG.GPE.A.1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation represents the general form a circle with a center at (–2, –3) and a diameter of 8 units?
x2 + y2 + 4x + 6y – 51 = 0
x² + y² – 4x – 6y – 51 = 0
x2 + y2 + 4x + 6y – 3 = 0
x2 + y2 – 4x – 6y – 3 = 0
Tags
CCSS.HSG.GPE.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two circles are concentric if they have the same center. Which equation represents a circle that is concentric with the circle shown but has a radius that is twice as large?
(x – 4)2 + (y – 6)2 = 4
(x – 4)2 + (y – 6)2 = 16
(x – 6)2 + (y – 4)2 = 16
(x – 6)2 + (y – 4)2 = 4
Tags
CCSS.HSG.GPE.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the measure of angle COA?
140°
150°
160°
170°
Tags
CCSS.HSG.C.A.2
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