Discuss the Equation and Graph It $$r = \frac { 4 } { 2 - \sin \theta }$$

question 44

Multiple Choice

Discuss the equation and graph it.
- $$r = \frac { 4 } { 2 - \sin \theta }$$

• A) directrix perpendicular to polar axis 8 right of pole center \( \left(-\frac{8}{15}, 0\right) \) vertices \( \left(\frac{8}{3}, \pi\right),\left(\frac{8}{5}, 0\right) \)
• B) directrix parallel to polar axis 8 above pole center \( \left(-\frac{8}{15}, \frac{\pi}{2}\right) \) vertices \( \left(-\frac{8}{5}, \frac{3 \pi}{2}\right),\left(\frac{8}{3}, \frac{3 \pi}{2}\right) \)
• C) directrix perpendicular to polar axis 8 left of pole center \( \left(\frac{8}{15}, 0\right) \) vertices \( \left(\frac{8}{5}, \pi\right),\left(\frac{8}{3}, 0\right) \)
• D)directrix parallel to polar axis 8 below pole center \( \left(\frac{8}{15}, \frac{\pi}{2}\right) \) vertices \( \left(\frac{8}{3}, \frac{\pi}{2}\right),\left(\frac{8}{5}, \frac{3 \pi}{2}\right) \)

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Definitions:

F-to-enter

A criterion used in statistical analysis to decide when a variable should be added to a regression model based on the F-statistic value.

Multiple Regression Analysis

A statistical strategy that employs a selection of explanatory variables to predict the outcome of a variable of interest.

Stepwise Regression

A method of regression analysis in which the selection of predictive variables is carried out by an automatic procedure.

Backward Elimination

A stepwise regression technique used in statistical analysis to select significant variables by starting with all variables and successively removing the least significant ones.