Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
What is the distance formula?
|
|
|
|
What is the midpoint formula?
|
|
|
|
What is the standard equation of a circle?
|
(x - h)² + (y-k)² = r²
The center is (h,k), r is radius. |
|
|
What is the standard equation for a parabola that opens up or down?
|
y - k = 1/4p(x-h)²
|
|
|
What is the standard equation for a parabola that opens left or right?
|
x - h = 1/4p(y-k)²
|
|
|
What determines whether or not the 1/4p is positive or negative?
|
If it opens up or right, it's positive, but if it opens left or down, it's negative.
|
|
|
What does p stand for in parabolas?
|
The distance from the vertex to the focus OR directrix.
|
|
|
ELLIPSE
|
LALALA
|
