What type of conic is represented by the equation 4x² + 9y² - 16x + 18y + 9 = 0?
Q1. What type of conic is represented by the equation 4x² + 9y² - 16x + 18y + 9 = 0?
Answer: Ellipse
Explanation: Complete squares to get standard ellipse form (x²/a² + y²/b² =1).