Hi

Need to Know...............................................................

Standard Form of an Equation of a Circle is  

Standard Form of an Equation of an Ellipse is  

Standard Form of an Equation of an Hyperbola opening up and down is: 

Standard Form of an Equation of an Hyperbola opening right and  left is: 

the vertex form of a Parabola opening up(a>0) or down(a<0), 

 the vertex form of a Parabola opening right(a>0) or left(a<0), 

focus at (-1, 0) and its directrix at x = 1 Opening Left along y =0

the vertex form of a Parabola opening left(a<0), 

  p = -1 (1 -1))/2  = 0 = h

 a = 1/(4p) = 1/4(-1) = -1/4









 

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