Classify the Surface $$23 x ^ { 2 } + y ^ { 2 } - z ^ { 2 } - 12 y + 12 z = 0$$

question 109

Essay

Classify the surface.
$$23 x ^ { 2 } + y ^ { 2 } - z ^ { 2 } - 12 y + 12 z = 0$$

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Definitions:

Four-month Moving Average

A method to smooth out data series by averaging the data over four-month periods, often used to identify trends.

Forecast for May

A predictive analysis or estimate of events or trends that will occur in May, often used in sales, marketing, or production planning.

Weighted Moving Average Method

A forecasting technique that assigns different weights to historical data points, giving more importance to more recent data.

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