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Coordinate Geometry - Circles Equations and Applications

Mathematics

9th - 10th Grade

CCSS covered

Used 11+ times

Coordinate Geometry - Circles Equations and Applications
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A circle's equation is (x-1)2 + y2 = 25. What is the area of the circle?

25

25π

12.5

12.5π

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The equation of a circle is x2 + y2 +4x - 6y - 3 = 0. What is the circumference of the circle?

16π

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the center and radius of the circle if its equation is x2 + y2 = 100?

The center is at the origin, and the radius is ten.

The center is at the origin, and the radius is one hundred.

The center is at (0, 10), and the radius is one hundred.

The center is at (10, 0), and the radius is ten.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A circle is centered at (4, -2) and has a radius of √10. What is the equation of the circle?

(x - 4)2 + (y + 2)2 = √10

(x - 4)2 + (y + 2)2 = 10

(x + 4)2 + (y - 2)2 = 10

(x + 4)2 + (y - 2)2 = √10

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the equation of a circle whose diameter is 24 and whose center is at the origin? 

x2+y2=125
x2+y2=64
x2+y2=144
x2+y2=576

Tags

CCSS.HSG.GPE.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the radius of the circle with this equation of  (x-5)²+(y+7)²=8?

4
8
4√2
2√2

Tags

CCSS.HSG.GPE.A.1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the equation of the circle?

(x+1)2 + (y +1)2 = 3
(x+1)2 + (y -1)2 = 3
(x+1)2 + (y +1)2 = 9
(x-1)2 + (y -1)2 = 9

Tags

CCSS.HSG.GPE.A.1

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