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Equation of a Circle Radius at Origin

Authored by Michele Pipitone

Mathematics

10th Grade

CCSS covered

Equation of a Circle Radius at Origin
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10 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the standard form of the equation of a circle with radius 'r' centered at the origin?

Tags

CCSS.HSG.GPE.A.1

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

If the radius of a circle centered at the origin is 5, what is the equation of the circle in standard form?

Tags

CCSS.HSG.GPE.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How would you graph the circle with the equation x^2 + y^2 = 25?

Plot the center at (5,5) and then plot points on the circle by substituting different values for x or y to satisfy the equation x^2 + y^2 = 25. The radius of the circle is 5.

Plot the center at (0,0) and then plot points on the circle by substituting different values for x or y to satisfy the equation x^2 + y^2 = 25. The radius of the circle is 5.

Use the equation x + y = 25 to graph the circle with a radius of 5.

The circle cannot be graphed as it does not have a defined center.

Tags

CCSS.HSG.GPE.A.1

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the radius of a circle with the equation x^2 + y^2 = 36?

Tags

CCSS.HSG.GPE.A.1

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

In the equation x^2 + y^2 = 16, what is the center of the circle?

Tags

CCSS.HSG.GPE.A.1

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

If the equation of a circle is x^2 + y^2 = 49, what is the radius of the circle?

Tags

CCSS.HSG.GPE.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard form of the equation of a circle with radius 'r' centered at the origin?

x^2 + y^2 = r^2

x^2 - y^2 = r^2

x^2 + y^2 = r

x^2 + y = r^2

Tags

CCSS.HSG.GPE.A.1

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