Use the Elimination-By-Addition Method to Solve the System $$\left( \begin{array} { c } x - 8 y = 65 \\4 x + 4 y = - 28\end{array} \right)$$

question 71

Multiple Choice

Use the elimination-by-addition method to solve the system. $$\left( \begin{array} { c } x - 8 y = 65 \\4 x + 4 y = - 28\end{array} \right)$$

• A) ( -8, 1)
• B) ( 1, 8)
• C) ( 1, -8)
• D) infinitely many solutions
• E) no solutions

---

Definitions:

Menstrual Cycle

In the human female, the monthly sequence of events that prepares the body for pregnancy.

FSH

Follicle-stimulating hormone, a gonadotropin involved in regulating development, growth, pubertal maturation, and reproductive processes.

Human Chorionic Gonadotropin

A hormone produced during pregnancy that is used in medical tests to detect pregnancy.

Corpus Luteum

A temporary endocrine structure in female ovaries that produces progesterone after ovulation to maintain pregnancy.