Home › AP EAPCET (Engineering) › Mathematics › Coordinate Geometry: Parabola › The length of the latus rectum of x² = -16y is:
The length of the latus rectum of x² = -16y is:
A64
B4
C8
D16
Answer & Solution
Correct answer: D. 16
The latus rectum has length 4a, and in this equation 4a equals 16.
Related questions
A point of y² = 4x is 5 units from the focus. What is its x-coordinate?A point moves so that its distance from (3, 0) equals its distance from x = -3. Find its lA lamp is placed at the focus of a parabolic reflector. The reflected beam isWhich device uses a parabolic reflector to send out a parallel beam?In the pin and string construction, the free edge of the set square slides along theHow far is the focus of y² = 24x from its directrix?What is the tangent at the vertex of y² = 4ax?The line y = x cuts a chord on y² = 4x. What is the chord length?