Examlex
The gas phase exists at the point labeled a.
Parabola
A symmetrical, curved, plane curve, which is the graph of a quadratic function.
Focus
A specific point used in the definition of conic sections, such as the vertex of a parabola or one of the two fixed points in an ellipse or hyperbola.
Standard Form
A way to write numbers using the digits 0-9, where each digit has its place value; in linear equations, Ax + By = C, where A, B, and C are integers.
Ellipse
A curve on a plane that surrounds two focal points such that the sum of the distances to the two focal points is constant for every point on the curve.
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