Circle: the set of points ( x , y ) that are
equidistant from a fixed point called the
centre of the circle.
Radius: the distance between the centre of
the circle and any point ( x , y ) on
Equation of a circle with centre at the origin:
Equation for parabola:
What does quot;hquot; do to the standard parabola?
What does quot;kquot; do to the standard parabola?
The standard form for equation of a circle:
where ( h, k ) is the centre and r is the radius