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

question 85

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:

Central Nervous System

The brain and spinal cord.

Sympathetic Activity

Part of the autonomic nervous system responsible for the body's 'fight or flight' response, increasing heart rate, blood pressure, and energy supplies.

Overcrowding

A condition where too many people occupy a space, leading to a sense of congestion and potentially contributing to stress and health problems.

Psychological Problems

Mental health issues or disorders that affect a person's thinking, feeling, mood, and behavior.