Review of Equations of Circles Lesson Slides: 5 Slides

5 Slides • 10 Questions

1

2

Multiple Choice

What is the formula for the standard form equation of a circle?

1

$\left(x-h\right)^2+\left(y-k\right)^2=r^2$

2

$x^2+y^2+Dx+Ey+F=0$

3

$x^2-y^2+Dx+Ey+F=0$

3

4

Multiple Choice

What is the center of the circle with the given equation:

$\left(x+5\right)^2+\left(y-3\right)^2=9$ ?

1

$\left(5,\ 3\right)$

2

$\left(5,\ -3\right)$

3

$\left(-5,\ 3\right)$

4

$\left(-5,\ -3\right)$

5

Multiple Choice

What is the radius of the circle with the given equation: $\left(x-1\right)^2+\left(y+2\right)^2=25$ ?

1

$5$

2

$25$

3

$10$

4

$\sqrt[]{5}$

6

Multiple Choice

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

1

(3,2)

2

(-3, -2)

3

(-2, -3)

4

(2, 3)

7

Multiple Choice

In the equation (x-4)²+(x-3)²=25, the center of the circle is at...

1

(-3, -4)

2

(4, 3)

3

(-4, -3)

4

(3, 4)

8

Multiple Choice

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

1

x²+y²=3

2

x²+y²=6

3

x²+y²=9

9

3

-2

10

11

12

Multiple Choice

Which graph corresponds to

(x+2)²+ (y-3)²=36

1

A

2

B

3

C

4

D

13

Multiple Choice

See Picture

1

A

2

B

3

C

14

Multiple Choice

What is the equation of the circle?

1

(x+1)² + (y +1)² = 3

2

(x+1)² + (y -1)² = 3

3

(x+1)² + (y +1)² = 9

4

(x-1)² + (y -1)² = 9

15

Multiple Choice

What is the equation for this circle?

1

(x+1)+(y+1)=9

2

x²+y²=9

3

x+y=9

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