ellipse, parabola, hyperbola

It is determined by a constant and two fixed points, each called focus

• circle

• ellipse

• parabola

• hyperbola

Which is a horizontal ellipse?

Which describes the line containing the center and foci of an ellipse?

• Major Axis

• Minor Axis

• Vertices

• Co-Vertices

In an ellipse, what is the length of the major axis?

• a

• 2a

• b

• 2b

• c

In an ellipse, what is the length of the minor axis?

• a

• 2a

• b

• 2b

• c

What is the center, a and b values for the following equation:
x² + 4y² + 16x - 80y + 320 = 0

• (-8, 10); a = 12, b = 6
• (-8, 10); a = 6, b = 12
• (8, -10); a = 12, b = 6
• (8, -10); a = 6, b = 12

The focus is always inside the parabola.

• true
• false

All parabolas with a vertical directrix open the left or right.

• true
• false

True or False?

When x is squared, the parabola opens up or down.

• True

• False

The focus is at (2,0) and the vertex is at (-4,0).  What is the equation of the parabola?

• y² = 24(x+4)
• (y+4)² = -12x
• x² = 16(y+4)
• (x+4)²  = -20y