Graph Parabolas with Vertices at the Origin
Find the Focus $$x ^ { 2 } = 40 y$$

question 53

Multiple Choice

Graph Parabolas with Vertices at the Origin
Find the focus and directrix of the parabola with the given equation.
- $$x ^ { 2 } = 40 y$$

• A) focus: \(( 0,10 )\)
• directrix: \(y = - 10\)
• B) focus: \(( 10,0 )\)
• directrix: \(y = 10\)
• C) focus: \(( 10,0 )\)
• directrix: \(x = 10\)
• D) focus: \(( 0 , - 10 )\)
• directrix: \(\mathrm { x } = - 10\)

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Definitions:

Physical Activity

Any bodily movement produced by skeletal muscles that require energy expenditure, crucial for maintaining physical health.

Sympathetic

Part of the autonomic nervous system that prepares the body for stress-related activities, often referred to as the "fight or flight" response.

Parasympathetic

The part of the autonomic nervous system that conserves energy by slowing the heart rate and increasing intestinal and gland activity.

Thoracolumbar Division

A region of the spine made up of the thoracic and lumbar vertebrae, often referred to in studies relating to spinal injuries or abnormalities.