Solve the System by the Substitution Method $\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 25 \\y ^ { 2 } = 2 x + 22\end{array}$

question 15

Multiple Choice

Solve the system by the substitution method.
- $\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 25 \\y ^ { 2 } = 2 x + 22\end{array}$

• A) \(( 1,2 \sqrt { 6 } ) , ( - 2,4 ) , ( 1 , - 2 \sqrt { 6 } ) , ( - 2 , - 4 )\)
• B) \(( 1,5 ) , ( - 3,5 ) , ( 1 , - 5 ) , ( - 3 , - 5 )\)
• C) \(( 2,2 \sqrt { 6 } ) , ( - 3,4 ) , ( 2 , - 2 \sqrt { 6 } ) , ( - 3 , - 4 )\)
• D) \(( 1,2 \sqrt { 6 } ) , ( - 3,4 ) , ( 1 , - 2 \sqrt { 6 } ) , ( - 3 , - 4 )\)

---

Definitions:

Social Media

Platforms and technologies that enable individuals to create, share, exchange information and ideas in virtual communities and networks.

Generation Y

Also known as Millennials, this includes individuals born approximately between 1981 and 1996, known for their familiarity with digital technology, media, and communications.

Generation Z

The demographic cohort following Millennials, typically considered to be born between the mid-1990s to the early 2010s, noted for their digital nativism and diverse perspectives.

Smart Phone

A mobile phone that performs many of the functions of a computer, typically having a touchscreen interface, internet access, and an operating system capable of running downloadable apps.