The length of the latus rectum of x2 = -9y is equal to
A. 3 units
B. - 3 units
C. 9/4 units
D. 9 units
Answer:D
The length of the latus rectum of x2 = -9y is equal to
A. 3 units B. - 3 units C. 9/4 units D. 9 units
Explanation: Given parabola equation: x2 = - 9y …(1)