The ellipse 9x² + 4y² = 36 has a major axis of length?
Question 1
Q1. The ellipse 9x² + 4y² = 36 has a major axis of length?
Answer: 6
Explanation: Rewrite the equation as x²/4 + y²/9 = 1. The major axis is 2*3 = 6 since 3 is the semi-major axis.