What does the P stand for in the equation of a parabola?

Related questions

1. How do we find the radius of a circle?
2. How much is a diameter of a circle?
3. What is the general equation of an ellipse?
4. What is the equation of a circle in Y form?
5. How do you find the points of a circle?
6. What is the calculation for pi?
7. Why does PI exist?
8. What is the equation of an ellipse?
9. What is the equation of a circle if the center is 0 0?
10. Does a circle have sides?

Tags

1. #illustrates
2. #equal
3. #parabola
4. #definition
5. #called
6. #picture
7. #directrix
8. #point
9. #distance
10. #typical
11. #focus