Circle equation

Circle equation

7th - 12th Grade

16 Qs

quiz-placeholder

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Circle equation

Circle equation

Assessment

Quiz

Mathematics

7th - 12th Grade

Medium

Created by

Jorge Batrez

Used 8+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Write the equation of a circle with center (7, 0) with radius 3.

(x - 7)2 + y2 = 9
x2 + (y -7)2 = 9
(x - 7)2 + y2 = 3
x2 + (y -7)2 = 3

2.

MULTIPLE CHOICE QUESTION

10 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

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Write the standard equation of the circle with the given center and radius; center (0, 0) and radius of 3.

x2 + y2 = 4

x2 + y2 = 81

x2 + y2 = 9

x2 + y2 = 3

4.

MULTIPLE CHOICE QUESTION

10 mins • 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

5.

MULTIPLE CHOICE QUESTION

10 mins • 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

6.

MULTIPLE CHOICE QUESTION

10 mins • 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

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What is the radius of the circle given by the equation (x - 7)2 + (y + 3)2 = 25?

3

5

10

25

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