Ellipse x²/16 + y²/9 = 1
Equation: x²/16 + y²/9 = 1
x²/a² + y²/b² = 1 with a = 4, b = 3. It meets Ox at ±4 and Oy at ±3.
When a = b the ellipse is a circle — the relationship textbooks emphasize.
Equation: x²/16 + y²/9 = 1
x²/a² + y²/b² = 1 with a = 4, b = 3. It meets Ox at ±4 and Oy at ±3.
When a = b the ellipse is a circle — the relationship textbooks emphasize.