Give the Focus, Directrix, and Axis for the Parabola $$y ^ { 2 } = 28 x$$

question 172

Multiple Choice

Give the focus, directrix, and axis for the parabola.
- $$y ^ { 2 } = 28 x$$

• A) \(( 0,7 ) , y = - 7 , y\)-axis
• B) \(( 7,0 ) , x = - 7 , x\)-axis
• C) \(( 7,7 ) , x = 7 , x\)-axis
• D) \(( 7,0 ) , x = - 7 , y\)-axis

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Definitions:

Digestive System

A complex series of organs and glands responsible for the digestion, absorption of nutrients, and expulsion of waste.

Nasal Cavity

The large air filled space behind the nose, involved in respiration and sense of smell.

Larynx

The voice box or the area of the throat containing the vocal cords and used for breathing, swallowing, and speaking.

Pharynx

The muscular tube that serves as a pathway for the movement of food to the esophagus and air to the larynx.