Further Mathematics
/
Coordinate geometry instrument 07
01
/ 08
01
Centre
02
Measure
03
Reshape
04
Move P
05
Predict
06
Ellipse proof
07
Hyperbola proof
08
The name
Eccentricity measures the focus displacement and controls conic shape
The focus moves away from the centre as eccentricity changes. A point moves around an ellipse or along a hyperbola while both focal distances are measured.