Conics Recognition

Which is the center of the circle with the equation

(x - 3)² + (y + 5)² = 16

• (3, 5)

• (-3, 5)

• (5, -3)

• (3, -5)

Which is the radius of the circle with equation

(x - 2)² + (y + 4)² = 9

• 81

• 3

• 9

• 4.5

• circle

• parabola

• ellipse

• hyperbola

• (4, -2)

• (2, -4)

• (-2, 4)

• (-4, 2)

Which conic section is represented by the equation

2x² - 16x - 12y + 20 = 0

• Circle

• Ellipse

• Hyperbola

• Parabola

Which conic section is represented by the equation

2x² - 16x - 12y² + 20 = 0

• Circle

• Ellipse

• Hyperbola

• Parabola

Which is the correct equation of a circle whose centered at (-1, -5) and has a radius of 5?

• (x + 1)² + (y - 5)² = 25

• (x - 1)² + (y - 5)² = 25

• (x - 1)² + (y + 5)² = 25

• (x + 1)² + (y + 5)² = 25

Tags

CCSS.HSG.GPE.A.1

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

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

What is the graph of  x² + 4y² – 2y = 8?

• parabola
• hyperbola
• ellipse
• circle