Equation of a parabola from focus & directrix

y = a (x - h)2 + k And if the parabola opens horizontally (which can mean the open side of the U faces right or left), you'll use this equation: x = a (y - k)2 + h Because the example parabola opens vertically, let's use the first

Clear up math equations

Enhance your educational performance

If you want to enhance your academic performance, you need to be willing to put in the work.

Determine mathematic

Figure out mathematic

Math is a subject that can be difficult for some students to grasp. However, with a little practice and perseverance, anyone can learn to love math!

Determine mathematic problem

Clear up math equation

Math can be a difficult subject for many people, but there are ways to make it easier.

Determine math equation

Get support from expert tutors

If you're looking for academic help, our expert tutors can assist you with everything from homework to test prep.

Student Stories

Solve mathematic

Vertex Form

The implicit equation of a parabola is defined by an irreducible polynomial of degree two: such that or, equivalently, such that is the square of a linear polynomial . As a graph of a function [ edit] Parabolas
Get Started