Solving for Unknowns in Circles

Solving for Unknowns in Circles

10th Grade

8 Qs

quiz-placeholder

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Solving for Unknowns in Circles

Solving for Unknowns in Circles

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

CCSS
HSG.GPE.A.1, HSA.CED.A.4, 7.G.B.4

Standards-aligned

Created by

Anthony Clark

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

x2+y2=3

x2+y2=6

x2+y2=9

Tags

CCSS.HSG.GPE.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which graph corresponds to 
(x)2+ (y-6)2=9

A

B

C

D

Tags

CCSS.HSG.GPE.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The diameter of a circle has length 12. The center is at (-5, 2). Give the equation of the circle.

(x - 2)+ (y + 5)= 36

(x - 5)2 + (y + 2)2 = 6

(x + 5)+ (y - 2)= 36

(x + 2)+ (y - 5)= 6

Tags

CCSS.HSG.GPE.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which graph corresponds to (x-4)2+ (y+4)2=25

A

B

C

D

Tags

CCSS.HSG.GPE.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the coordinates of the centre and the radius of the circle with equation:
(x - 1)2 + (y - 2)2 = 32 ?

Centre (-1,-2)
Radius = 3 units

Centre (1,2)
Radius = 3 units

Centre (-1,-2)
Radius = 9 units

Centre (1,2)
Radius = 9 units

Tags

CCSS.HSG.GPE.A.1

6.

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Rewrite this formula and solve for the variable r. C = 2πr

r = 2π / C

r = C - 2 - π

r = C - 2π

r = C / 2π

Tags

CCSS.HSA.CED.A.4

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