Sketch a Graph of the Rectangular Equation $\left( x ^ { 2 } + y ^ { 2 } + 3 y \right) ^ { 2 } = 9 \left( x ^ { 2 } + y ^ { 2 } \right)$

question 89

Multiple Choice

Sketch a graph of the rectangular equation. [Hint: First convert the equation to polar coordinates.] $\left( x ^ { 2 } + y ^ { 2 } + 3 y \right) ^ { 2 } = 9 \left( x ^ { 2 } + y ^ { 2 } \right)$

---

Definitions:

Type I Error

An error that occurs in hypothesis testing when a true null hypothesis is incorrectly rejected.

Type II Error

Occurs when a false null hypothesis is not rejected, meaning a real effect or difference is missed in a study or test.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, typically to be tested against an alternative hypothesis.

Acquitting

The legal act of freeing an individual from a charge of an offence by a verdict of not guilty.