What is the equation of a parabola with vertex (0, 0) and directrix x = -3.
What is the equation of a parabola with vertex (0, 0) and directrix y = 12.
What is the equation of a parabola with a vertex at (0, 0) and a focus at (0, 6).
What is the equation of a circle with a center at (0, 9) and a radius of 9?
What is the equation of a circle with a center at (0, 0) and a radius of 4.5?
What is the equation of a circle with a center at (4, 0) and a radius of 1?
Write the equation of an ellipse with vertices (10, 0) and (-10, 0) and co-vertices (0, 2) and (0, -2).
Write the equation of an ellipse with vertices (0, 12) and (0, -12) and co-vertices (2, 0) and (-2, 0).
Write the equation of an ellipse with vertices (0, 5) and (0, -5) and co-vertices (2, 0) and (-2, 0).
Write the equation of a hyperbola with vertices (3, -1) and (3, -9) and co-vertices (-6. -5) and (12, -5).