Graph the Ellipse and Locate the Foci $$\frac { x ^ { 2 } } { 21 } + \frac { y ^ { 2 } } { 25 } = 1$$

question 11

Multiple Choice

Graph the ellipse and locate the foci.
- $$\frac { x ^ { 2 } } { 21 } + \frac { y ^ { 2 } } { 25 } = 1$$

• A) foci at \(( 0,2 )\) and \(( 0 , - 2 )\)
• B) foci at \(( 2,0 )\) and \(( - 2,0 )\)
• C) foci at \(( 0 , \sqrt { 21 } )\) and \(( 0 , - \sqrt { 21 } )\)
• D) foci at \(( 0,5 )\) and \(( 0 , - 5 )\)

---

Definitions:

Stress-related Illness

Health problems directly or indirectly caused by stress, including psychological and physiological conditions.

High-pressure Sales Environment

A sales setting where intense pressure is applied on sales staff to secure customer purchases at a potentially aggressive pace.

Acquaintances

Individuals one knows but with whom one is not particularly close, usually part of one's wider social circle.

Stress Resistance

The ability of an individual to withstand or manage stress without succumbing to its negative effects on mental and physical health.