An equation of a parabola is given. y = - 1/8 x^2 (a) Find the focus, directrix, and focal diameter of the parabola. focus (x, y) = ( ) directrix focal diameter (b) Sketch a graph of the parabola and its directrix.
Added by Erin T.
Close
Step 1
Identify the given equation of the parabola. Let's assume the given equation of the parabola is in the standard form: $y^2 = 4px$. Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 80 other Calculus 3 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
An equation of a parabola is given. (a) Find the focus, directrix, and focal diameter of the parabola. (b) Sketch a graph of the parabola and its directrix. $$y=\frac{1}{4} x^{2}$$
Patricia B.
An equation of a parabola is given. (a) Find the focus, directrix, and focal diameter of the parabola. (b) Sketch a graph of the parabola and its directrix. $$y=-\frac{1}{8} x^{2}$$
Recommended Textbooks
Calculus: Early Transcendentals
Thomas Calculus
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD