Examlex
If all of these hair-like structures,called ________,in respiratory passages suddenly stopped working,a person would probably have more respiratory infections.
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.
Major Axis
The longest diameter of an ellipse, running through its center and both foci.
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