- (intro) Planets travel in ________________ orbits.
(page 1) The equation ____________________ represents a cirlce with radius |r|.
- (page 1) The equation Ax2 + By2 = P represents an ellipse that is not a circle when A and B are _______________.
- (page 2) The equation x2/ 16 + y2/ 9 = 1 represents an ellipse with x-intercepts at ( _____, 0) and ( _____, 0) and y-intercepts at (0, _____ ) and (0, _____ ).
- (page 3) In an ellipse, the axis of symmetry parallel to the x-axis is called the ____________________ axis.
The axis of symmetry parallel to the y-axis is called the ____________________ axis.
- (page 3) The standard equation of an ellipse centred at the origin is ____________________.
- (page 3) An ellipse centred at the origin with a horizontal axis of length 10 and a vertical axis of length 6 has the following standard equation: ____________________.
- (page 3a) If |a| > |b|, the _______________ axis of the ellipse is longer than the _______________ axis.
- (page 4) The standard equation of an ellipse centred at (h, k) is __________________________.
- (page 4) Increasing the value of h moves the ellipse _______________.
- (page 4) Decreasing the value of k moves the ellipse _______________.
- (page 5) The general ellipse equation can be obtained by ____________ the standard equation.
- (page 6) To rewrite the general equation into standard form, you use the method called _____________________________________________.
- (page 9) An ellipse that is not a circle is formed when the double-napped cone is sliced with a plane that
_______________________________________________________.
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