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Resources

Convert equations of circles from general to standard form

The circle has center

O

and a radius of

36

. What is the length of minor arc

\stackrel\frown{ABC}

1

1

answer: (Choice A)

12\pi

12\pi

22\pi

22\pi

50\pi

50\pi

60\pi

60\pi

A circle in the

xy

-plane has the equation

4x^2+4y^2-24x=28

. What is the diameter of the circle?

The circle has center

O

, and the measure of angle

\angle POQ

45\%

. The length of minor arc

AC

is what fraction of the circumference of the circle? The number of degrees of arc in a circle is

360

A circle in the xy-plane has the equation

(x-0.8)^2+(y-5.2)^2=1.69

. How long is the radius of the circle?

A circle in the XY-plane has the equation

(x-0.8)^2 + (y-5.2)^2=1.69

. How long is the radius of the circle?

A cube is pictured below. Select the type of cross section formed when the figure is cut parallel to its base.

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A circle in the xy-plane has the equation

x^{2}+y^{2} -10x+32y+272=0.

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Which of the following best describes the location of the center of the circle and the length of its radius?

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1

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(10,-32)

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4\sqrt{17}

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(-10,32)

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4\sqrt{17}

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(-5,16)

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3

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(5,-16)

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3

Write the equation in standard form for the circle

x^2+y^2-6y-9= 0

Write the equation in standard form for the circle

x^2+y^2+10y-25= 0

Write the equation in standard form for the circle

x^2+y^2-16= 0

Write the equation in standard form for the circle

x^2+y^2-4x+7= 0

Write the equation in standard form for the circle

x^2+y^2+6x-1= 0

Write the equation in standard form for the circle

x^2+y^2-9=0

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