Examlex
Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.
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Eye Cataracts
A medical condition where the lens of the eye becomes progressively opaque, leading to blurred vision and, if untreated, blindness.
Human Immune System
The complex network of cells, tissues, and organs that work together to defend the body against infections, diseases, and foreign substances.
World's Economies
The collective economic systems of the world, encompassing various economies of countries, governed by their policies, trade practices, and currency valuations.
Climate Change
The long-term alteration of temperature and typical weather patterns in a place, often attributed largely to human activities such as burning of fossil fuels.
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