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Equation of a circle

Authored by Alaina Williams

Mathematics

8th - 10th Grade

CCSS covered

Used 7+ times

Equation of a circle
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19 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write the equation of a circle with center (h,k) and radius r.

x2 + y2  = r2
(x + h)2 +  (y + h)2 = r2
(x - h)2 + (y - k)2 = r2
(x - h)2 - (h - k)2 = r

Tags

CCSS.HSG.GPE.A.1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does (h,k) standard for in the standard circle equation?

(h,k) is the center of the circle

(h,k) is a point on the circle.

(h,k) is the radius of the circle

(h,k) is the diameter of the circle

Tags

CCSS.HSG.GPE.A.1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does "h" stand for in (h,k)?

h is the radius of the circle

h is the distance of the circle

h is the y coordinate of the center

h is the x coordinate of the center

Tags

CCSS.HSG.GPE.A.1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does the "k" in (h,k) stand for?

k is the y coordinate of the center

k is the x coordinate of the center

k is the radius of the circle

k is the distance of the circle

Tags

CCSS.HSG.GPE.A.1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In the equation (x-3)2+(y-2)2=16, the center of the circle is...

(3,2)
(-3, -2)
(-2, -3)
(2, 3)

Tags

CCSS.HSG.GPE.A.1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does the r in the standard equation stand for?

r is the distance of the circle

r is the radius of the circle

r is the x coordinate of the center of the circle

r is the y coordinate of the center of the circle

Tags

CCSS.HSG.GPE.A.1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In the equation (x+2)2+(y-3)2=4, the radius of the circle is...

4
2
3
16

Tags

CCSS.HSG.GPE.A.1

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